Summer is Coming! Join the Game of Timers Competition to Win Epic Prizes. Registration is Open. Game starts Mon July 1st.

It is currently 18 Jul 2019, 00:11

Close

GMAT Club Daily Prep

Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track
Your Progress

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.

Close

Request Expert Reply

Confirm Cancel

A car traveled 462 miles per tankful of gasoline on the

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:

Hide Tags

Find Similar Topics 
Manager
Manager
avatar
Joined: 05 Sep 2007
Posts: 142
Location: New York
A car traveled 462 miles per tankful of gasoline on the  [#permalink]

Show Tags

New post Updated on: 03 Dec 2013, 07:23
8
1
15
00:00
A
B
C
D
E

Difficulty:

  75% (hard)

Question Stats:

64% (02:37) correct 36% (02:33) wrong based on 385 sessions

HideShow timer Statistics


A car traveled 462 miles per tankful of gasoline on the highway and 336 miles per tankful of gasoline in the city. If the car traveled 6 fewer miles per gallon in the city than on the highway, how many miles per gallon did the car travel in the city?

(A) 14
(B) 16
(C) 21
(D) 22
(E) 27

Originally posted by el1981 on 24 Mar 2008, 17:59.
Last edited by Bunuel on 03 Dec 2013, 07:23, edited 1 time in total.
Added the OA.
Most Helpful Community Reply
Manager
Manager
avatar
Joined: 15 Aug 2007
Posts: 240
Schools: Chicago Booth
Re: PS:gasoline  [#permalink]

Show Tags

New post 24 Mar 2008, 22:17
9
3
B-16

car traveled additional 462-336=126 miles on highway because it got 6 miles/gallon additional mileage. So it consumed 126/6=21 gallons.

car mileage in city = 336/21 = 16 miles/gallon (same amount of gallons are were used on highway and in the city)
General Discussion
Director
Director
avatar
Joined: 10 Sep 2007
Posts: 830
Re: PS:gasoline  [#permalink]

Show Tags

New post 24 Mar 2008, 18:41
6
3
Let the speed in highway be h mpg and in city be c mpg.
h = c+6

h miles are covered in 1 gallon
462 miles will be covered in 462/h.

Similarly c miles are covered in 1 gallon
336 miles will be covered in 336/c.

Both should be same (as car's fuel capacity does not change with speed)
=> 336/c = 462/h
=> 336/c = 462/(c+6)
=> 336c+336*6=462c
=>c=336*6/126=16

Answer B.
VP
VP
avatar
Joined: 28 Dec 2005
Posts: 1395
Re: PS:gasoline  [#permalink]

Show Tags

New post 25 Mar 2008, 16:55
1
mpg(c) = 336/m

mpg(h) = 462/m

336/m=462/m - (6)

solve for m to get m=21. plug back into 336/21 to get 16
SVP
SVP
User avatar
Joined: 06 Sep 2013
Posts: 1649
Concentration: Finance
GMAT ToolKit User
Re: A car traveled 462 miles per tankful of gasoline on the  [#permalink]

Show Tags

New post 03 Dec 2013, 06:19
5
4
el1981 wrote:
A car traveled 462 miles per tankful of gasoline on the highway and 336 miles per tankful of gasoline in the city. If the car traveled 6 fewer miles per gallon in the city than on the highway, how many miles per gallon did the car travel in the city?
(A) 14
(B) 16
(C) 21
(D) 22
(E) 27


Let x be a tankful of gas

462/x - 336/x = 6

462-336 = 6x
x = 21

So a tankful of gas contains 21 gallons

Then in the city miles per gallon will be
336/21 = 16

Answer is B

Hope its clear
Cheers
J :)
Math Expert
User avatar
V
Joined: 02 Sep 2009
Posts: 56272
Re: A car traveled 462 miles per tankful of gasoline on the  [#permalink]

Show Tags

New post 03 Dec 2013, 07:23
el1981 wrote:
A car traveled 462 miles per tankful of gasoline on the highway and 336 miles per tankful of gasoline in the city. If the car traveled 6 fewer miles per gallon in the city than on the highway, how many miles per gallon did the car travel in the city?

(A) 14
(B) 16
(C) 21
(D) 22
(E) 27


Similar question to practice: a-certain-car-averages-25-miles-per-gallon-of-gasoline-when-128139.html
_________________
Manager
Manager
User avatar
Joined: 05 Jun 2012
Posts: 53
Schools: IIMA
GMAT ToolKit User
Re: A car traveled 462 miles per tankful of gasoline on the  [#permalink]

Show Tags

New post 16 Apr 2014, 01:03
Distance traveled in highway=distance traveled in city +6 (As given in question)

suppose measurement of gallon is x.

462/x=336/x+6; x=21

As question as asking about per gallon in city so =336/21=16
_________________
If you are not over prepared then you are under prepared !!!
CEO
CEO
User avatar
D
Status: GMATINSIGHT Tutor
Joined: 08 Jul 2010
Posts: 2959
Location: India
GMAT: INSIGHT
Schools: Darden '21
WE: Education (Education)
Reviews Badge
A car traveled 462 miles per tankful of gasoline on the  [#permalink]

Show Tags

New post 13 Jun 2015, 01:08
3
el1981 wrote:
A car traveled 462 miles per tankful of gasoline on the highway and 336 miles per tankful of gasoline in the city. If the car traveled 6 fewer miles per gallon in the city than on the highway, how many miles per gallon did the car travel in the city?

(A) 14
(B) 16
(C) 21
(D) 22
(E) 27


Solution without making complex Algebraic equations

462 miles per tankful of gasoline on the highway and 336 miles per tankful of gasoline in the city.

i.e. Difference of Miles per tankful of gasoline = 462 - 336 = 126 miles


Given : 6 fewer miles per gallon in the city than on the highway

i.e. Difference of 6 miles comes in one gallon when car travels on Highway and in City
so Difference of 126 miles will come in = 126/6 = 21 gallons


i.e. Car travels 336 miles in 21 gallons in City

i.e. Mileage of car in City = 336/21 = 16 Miles per gallon


Answer: Option
_________________
Prosper!!!
GMATinsight
Bhoopendra Singh and Dr.Sushma Jha
e-mail: info@GMATinsight.com I Call us : +91-9999687183 / 9891333772
Online One-on-One Skype based classes and Classroom Coaching in South and West Delhi
http://www.GMATinsight.com/testimonials.html

ACCESS FREE GMAT TESTS HERE:22 ONLINE FREE (FULL LENGTH) GMAT CAT (PRACTICE TESTS) LINK COLLECTION
Manager
Manager
avatar
B
Joined: 17 Aug 2015
Posts: 99
GMAT ToolKit User
Re: A car traveled 462 miles per tankful of gasoline on the  [#permalink]

Show Tags

New post 03 Sep 2016, 09:55
let x be the tank capacity
mileage in hwy: 462/x
mileage in cty: 336/x
now the relationship between the two
462/x=336/x+6,
solve x = 126/6 = 21.
mileage in cty = 336/21 = 16
--------------------------------------------
another way :- equate the tank of gas:
tank of gas = miles travelled/mileage
336/c = 436/(c+6)
solve c = 16
VP
VP
avatar
P
Joined: 07 Dec 2014
Posts: 1206
A car traveled 462 miles per tankful of gasoline on the  [#permalink]

Show Tags

New post 03 Sep 2016, 11:55
A car traveled 462 miles per tankful of gasoline on the highway and 336 miles per tankful of gasoline in the city. If the car traveled 6 fewer miles per gallon in the city than on the highway, how many miles per gallon did the car travel in the city?


336/462=56/77
let x=city mpg
x/(x+6)=56/77
x=16 mpg
Intern
Intern
avatar
B
Joined: 20 Sep 2015
Posts: 24
Re: A car traveled 462 miles per tankful of gasoline on the  [#permalink]

Show Tags

New post 22 Oct 2017, 07:38
462 on H
336 in C

and -6m/g in city
So the difference is
462-336= 126 miles

Capacity of the fuel tank: 126/6 = 21g
So m/g in the city = 336/21
= 16 (B)
_________________
Pawn
EMPOWERgmat Instructor
User avatar
V
Status: GMAT Assassin/Co-Founder
Affiliations: EMPOWERgmat
Joined: 19 Dec 2014
Posts: 14567
Location: United States (CA)
GMAT 1: 800 Q51 V49
GRE 1: Q170 V170
Re: A car traveled 462 miles per tankful of gasoline on the  [#permalink]

Show Tags

New post 06 Mar 2018, 13:20
Hi All,

This question is perfect for TESTing THE ANSWERS (we're looking for an answer that divides evenly into 336 AND - when you add 6 to it - evenly divides into 462. How long would it take you to do the necessary division to find that answer?). The "math" approach to this prompt can actually be done in a number of ways, depending on how you want to set up the algebra. Here's another way:

Since a "tankful" of gasoline is the same number of gallons of gas whether driving on the highway or driving in the city, we can use a variation of the Distance Formula to create 2 equations:

462 = H(G) where H = miles/gallon on the highway and G = # of gallons

336 = C(G) where C = miles/gallon in the city and G = # of gallons

Right now, we have 3 variables and 2 equations. The last sentence gives us one more equation to work with: "the car traveled 6 fewer miles per gallon in the city than on the highway." This translates into:

C = H - 6

So now we have a "system" of equations (3 variables and 3 unique equations means that we CAN solve for all 3 variables). We're trying to solve for C…..

462 = H(G)
336 = C(G)
C = H - 6

H = C + 6 plug this into the first equation….

462 = (C+6)(G)
462 = CG + 6G

336 = CG plug this into the prior equation….

462 = 336 + 6G
126 = 6G
21 = G

**REMINDER: This is the value of G. We want the value of C.**

Plug G=21 into 336 = CG

336 = C(21)
16 = C

Final Answer:

GMAT assassins aren't born, they're made,
Rich
_________________
760+: Learn What GMAT Assassins Do to Score at the Highest Levels
Contact Rich at: Rich.C@empowergmat.com

*****Select EMPOWERgmat Courses now include ALL 6 Official GMAC CATs!*****

Rich Cohen

Co-Founder & GMAT Assassin

Special Offer: Save $75 + GMAT Club Tests Free
  Official GMAT Exam Packs + 70 Pt. Improvement Guarantee
www.empowergmat.com/
Intern
Intern
avatar
B
Joined: 03 Dec 2017
Posts: 17
Re: A car traveled 462 miles per tankful of gasoline on the  [#permalink]

Show Tags

New post 09 Mar 2018, 03:58
Let the tank be --> x gallons.

We know that: With (x) gallons --> the car traveled 462 miles. Hence ... we want to know HOW many miles / gallon did it travel? Easy ...--> x (full) = 462 then 1 gallon = y(miles)
We apply the same for the city and we got:

(336 / x) = (462 / x) - 6 , for the prolem says that the car traveled 6 fewer miles per gallon in the ciity than on the highway.

We solve for x! We find x and then we go to (336/x) = 336/21 = 16 miles per gallon in the city.

Cheers!
VP
VP
User avatar
D
Status: Learning
Joined: 20 Dec 2015
Posts: 1033
Location: India
Concentration: Operations, Marketing
GMAT 1: 670 Q48 V36
GRE 1: Q157 V157
GPA: 3.4
WE: Engineering (Manufacturing)
Reviews Badge
A car traveled 462 miles per tankful of gasoline on the  [#permalink]

Show Tags

New post 09 Mar 2018, 06:39
el1981 wrote:
A car traveled 462 miles per tankful of gasoline on the highway and 336 miles per tankful of gasoline in the city. If the car traveled 6 fewer miles per gallon in the city than on the highway, how many miles per gallon did the car travel in the city?

(A) 14
(B) 16
(C) 21
(D) 22
(E) 27


Imo B
Well this is not a tough question but the wording makes it tough to understand .Basically we have to find total number of gallons and then find rate in city B
Let x miles per galoon
Then from question stem we have 462-336=6*x
now 126=6x or x=21
miles traveled per gallon in city =336/21=16 miles per gallon
_________________
Please give kudos if you find my answers useful
VP
VP
avatar
P
Joined: 07 Dec 2014
Posts: 1206
Re: A car traveled 462 miles per tankful of gasoline on the  [#permalink]

Show Tags

New post 09 Mar 2018, 11:15
el1981 wrote:
A car traveled 462 miles per tankful of gasoline on the highway and 336 miles per tankful of gasoline in the city. If the car traveled 6 fewer miles per gallon in the city than on the highway, how many miles per gallon did the car travel in the city?

(A) 14
(B) 16
(C) 21
(D) 22
(E) 27


let g=gallons per tank
462/g-336/g=6
→g=21 gallons per tank
336/21=16 city miles per gallon
B
Target Test Prep Representative
User avatar
G
Status: Head GMAT Instructor
Affiliations: Target Test Prep
Joined: 04 Mar 2011
Posts: 2823
Re: A car traveled 462 miles per tankful of gasoline on the  [#permalink]

Show Tags

New post 12 Mar 2018, 16:24
el1981 wrote:
A car traveled 462 miles per tankful of gasoline on the highway and 336 miles per tankful of gasoline in the city. If the car traveled 6 fewer miles per gallon in the city than on the highway, how many miles per gallon did the car travel in the city?

(A) 14
(B) 16
(C) 21
(D) 22
(E) 27


We can create the proportion in which x = miles per gallon on the highway and (x - 6) = miles per gallon in the city.

(x - 6)/336 = x/462

462x - 2,772 = 336x

126x = 2,772

x = 22

So city mpg = 22 - 6 = 16 mpg.

Answer: B
_________________

Jeffrey Miller

Head of GMAT Instruction

Jeff@TargetTestPrep.com
TTP - Target Test Prep Logo
122 Reviews

5-star rated online GMAT quant
self study course

See why Target Test Prep is the top rated GMAT quant course on GMAT Club. Read Our Reviews

If you find one of my posts helpful, please take a moment to click on the "Kudos" button.

Non-Human User
User avatar
Joined: 09 Sep 2013
Posts: 11679
Re: A car traveled 462 miles per tankful of gasoline on the  [#permalink]

Show Tags

New post 02 Jun 2019, 02:01
Hello from the GMAT Club BumpBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
_________________
GMAT Club Bot
Re: A car traveled 462 miles per tankful of gasoline on the   [#permalink] 02 Jun 2019, 02:01
Display posts from previous: Sort by

A car traveled 462 miles per tankful of gasoline on the

  new topic post reply Question banks Downloads My Bookmarks Reviews Important topics  





Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne