Find all School-related info fast with the new School-Specific MBA Forum

 It is currently 05 Jul 2015, 21:12

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

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

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

A certain car averages 25 miles per gallon of gasline when

Author Message
TAGS:
Senior Manager
Joined: 23 May 2005
Posts: 266
Location: Sing/ HK
Followers: 1

Kudos [?]: 21 [0], given: 0

A certain car averages 25 miles per gallon of gasline when [#permalink]  20 Oct 2006, 01:15
A certain car averages 25 miles per gallon of gasline when driven in the city and 40 miles per gallon when driven on the highway. According to these rates, which of the following is closest to the number of miles per gallon that the car averages when it is driven 10 miles in the city and then 50 miles on the highway

a. 28
b. 30
c. 33
d. 36
e. 38

OA is D. Can someone explain?
VP
Joined: 15 Jun 2006
Posts: 1124
Schools: Chicago Booth
Followers: 4

Kudos [?]: 40 [0], given: 0

the car drives 10 miles in city and spends 0.5 gallon
then it drives 50 miles on highway and spends 1.25 gallon

in total it drives 60 miles and spents 1.65 gallons

60/1.65=36.363636... therefore D

(it's easier to divide 6000 by 165 =)
Similar topics Replies Last post
Similar
Topics:
A certain car averages 25 miles per gallon of gasoline when 4 27 Feb 2008, 09:20
A certain car averages 25miles per gallon of gasoline when 5 30 Nov 2006, 08:41
A certain car averages 25 miles per gallon of gasoline when 1 10 Nov 2006, 13:14
a certain car averages 25 miles per gallon of gasoline when 4 11 Sep 2006, 13:28
A certain car averages 25 miles per gallon when driven in 3 05 Aug 2006, 14:41
Display posts from previous: Sort by