NEW HERE? LEARN MORE
closeclose
Last visit was: 25 Apr 2024, 07:23 It is currently 25 Apr 2024, 07:23
Decision Tracker
My Rewards
New posts
New comers' posts

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.
Go to My Error Log Learn more
Close
Request Expert Reply
Confirm Cancel

Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted

SORT BY:
Date
Kudos
Tags:
Find Similar Topics 
Show Tags
Hide Tags
User avatar
L
Bunuel
Math Expert
Joined: 02 Sep 2009
Posts: 92913
Own Kudos [?]: 618951 [2]
Given Kudos: 81595
Send PM
CAT Tests Forum Quiz Mode
Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted [#permalink] New post   25 Mar 2019, 00:25
1
Kudos
1
Bookmarks
Expert Reply
00:00
A
B
C
D
E

Difficulty:

25% (medium)

Question Stats:

76% (01:55) correct 24% (01:52) wrong based on 105 sessions
Hide Show timer Statistics
Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted a plain pizza, but Dave wanted anchovies on half the pizza. The cost of a plain pizza was 8 dollars, and there was an additional cost of 2 dollars for putting anchovies on one half. Dave ate all the slices of anchovy pizza and one plain slice. Doug ate the remainder. Each paid for what he had eaten. How many more dollars did Dave pay than Doug?

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5
ShowHide Answer
Official Answer
D
User avatar
L
Archit3110
GMAT Club Legend
GMAT Club Legend
Joined: 18 Aug 2017
Status:You learn more from failure than from success.
Posts: 8019
Own Kudos [?]: 4096 [1]
Given Kudos: 242
Location: India
Concentration: Sustainability, Marketing
GMAT Focus 1:
545 Q79 V79 DI73
GPA: 4
WE:Marketing (Energy and Utilities)
Send PM
GMAT ToolKit User CAT Tests
Re: Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted [#permalink] New post   25 Mar 2019, 02:48
1
Kudos
Bunuel wrote:
Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted a plain pizza, but Dave wanted anchovies on half the pizza. The cost of a plain pizza was 8 dollars, and there was an additional cost of 2 dollars for putting anchovies on one half. Dave ate all the slices of anchovy pizza and one plain slice. Doug ate the remainder. Each paid for what he had eaten. How many more dollars did Dave pay than Doug?

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5


cost of plain pizza per slice = 1$
and cost of adding achovies = 2$ for half pizza
total effective cost of Pizza = 1*8 + 2 = 10 $
slices eat by Dave = 2+ 5 ; 7 $ worth
and Doug 3 slices; 3$ worth
so Dave paid 7-3 ; 4$ more
IMO D
User avatar
L
pushpitkc
Senior PS Moderator
Joined: 26 Feb 2016
Posts: 2873
Own Kudos [?]: 5205 [0]
Given Kudos: 47
Location: India
GPA: 3.12
Send PM
Re: Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted [#permalink] New post   25 Mar 2019, 00:55
Bunuel wrote:
Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted a plain pizza, but Dave wanted anchovies on half the pizza. The cost of a plain pizza was 8 dollars, and there was an additional cost of 2 dollars for putting anchovies on one half. Dave ate all the slices of anchovy pizza and one plain slice. Doug ate the remainder. Each paid for what he had eaten. How many more dollars did Dave pay than Doug?

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5


In the pizza, if 8 slices cost 8 dollar, the cost of a slice is 1 dollar.

Since the cost of putting the anchovies on half the pizza(4 slices) is 2 dollars more
than the other half, each slice with anchovies will cost an additional 50 cents.

Dave ate all the slices of the anchovy pizza and a slice of plain pizza(4*1.5 + 1 = 7)

Therefore, Dave would have paid 7 - 3 = 4 dollars(Option D) more than Doug.
User avatar
S
rodri102
Intern
Intern
Joined: 25 Jun 2017
Posts: 28
Own Kudos [?]: 30 [0]
Given Kudos: 49
Location: Canada
GMAT 1: 660 Q45 V36
GPA: 3.5
WE:Human Resources (Consumer Products)
Send PM
Re: Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted [#permalink] New post   25 Mar 2019, 05:24
Bunuel wrote:
Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted a plain pizza, but Dave wanted anchovies on half the pizza. The cost of a plain pizza was 8 dollars, and there was an additional cost of 2 dollars for putting anchovies on one half. Dave ate all the slices of anchovy pizza and one plain slice. Doug ate the remainder. Each paid for what he had eaten. How many more dollars did Dave pay than Doug?

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5


I think the answer should be C.

There are 8 pizza slices.
The cost of the total pizza is $8 (for whole plain pizza)+$2 (for anchovies on half) = $10.00

Cost per slice =\(\frac{$10.00}{8}\) = $1.25

Dave had 5 slices - $1.25*5 = $6.25
Doug had the remaining 3 slices - $1.25*3 = $3.75

Difference is $6.25-$3.75 = $2.50. This answer when rounded is closest to C.
User avatar
L
Archit3110
GMAT Club Legend
GMAT Club Legend
Joined: 18 Aug 2017
Status:You learn more from failure than from success.
Posts: 8019
Own Kudos [?]: 4096 [0]
Given Kudos: 242
Location: India
Concentration: Sustainability, Marketing
GMAT Focus 1:
545 Q79 V79 DI73
GPA: 4
WE:Marketing (Energy and Utilities)
Send PM
GMAT ToolKit User CAT Tests
Re: Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted [#permalink] New post   25 Mar 2019, 05:27
rodri102
seems you did not read the question properly; see highlighted part below..

rodri102 wrote:
Bunuel wrote:
Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted a plain pizza, but Dave wanted anchovies on half the pizza. The cost of a plain pizza was 8 dollars, and there was an additional cost of 2 dollars for putting anchovies on one half. Dave ate all the slices of anchovy pizza and one plain slice. Doug ate the remainder. Each paid for what he had eaten. How many more dollars did Dave pay than Doug?

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5


I think the answer should be C.

There are 8 pizza slices.
The cost of the total pizza is $8 (for whole plain pizza)+$2 (for anchovies on half) = $10.00

Cost per slice =\(\frac{$10.00}{8}\) = $1.25

Dave had 5 slices - $1.25*5 = $6.25
Doug had the remaining 3 slices - $1.25*3 = $3.75

Difference is $6.25-$3.75 = $2.50. This answer when rounded is closest to C.
User avatar
L
ScottTargetTestPrep
Target Test Prep Representative
Joined: 14 Oct 2015
Status:Founder & CEO
Affiliations: Target Test Prep
Posts: 18758
Own Kudos [?]: 22051 [0]
Given Kudos: 283
Location: United States (CA)
Send PM
Re: Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted [#permalink] New post   27 Mar 2019, 18:49
Expert Reply
Bunuel wrote:
Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted a plain pizza, but Dave wanted anchovies on half the pizza. The cost of a plain pizza was 8 dollars, and there was an additional cost of 2 dollars for putting anchovies on one half. Dave ate all the slices of anchovy pizza and one plain slice. Doug ate the remainder. Each paid for what he had eaten. How many more dollars did Dave pay than Doug?

(A) 1
(B) 2
(C) 3
(D) 4
(E) 5


The cost of the pizza is 8 + 2 = $10. The cost of the plain half is 8/2 = $4; thus, the cost of the anchovy half is $6. Therefore, each plain slice is 4/4 = $1. Since Dave ate all the anchovy slices and one plain slice, he ate 6 + 1 = $7 worth of the pizza. So Doug ate 10 - 7 = $3 worth of the pizza. The difference is $4.

Answer: D
User avatar
bumpbot
Non-Human User
Joined: 09 Sep 2013
Posts: 32675
Own Kudos [?]: 821 [0]
Given Kudos: 0
Send PM
Re: Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted [#permalink] New post   17 Jul 2020, 13:53
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
gmatclubot
Re: Doug and Dave shared a pizza with 8 equally-sized slices. Doug wanted [#permalink]
17 Jul 2020, 13:53
Moderators:
Bunuel
Math Expert
92912 posts
yashikaaggarwal
Senior Moderator - Masters Forum
3137 posts

Powered by phpBB © phpBB Group | Emoji artwork provided by EmojiOne
Main navigation
GMAT Resources
Partners
MBA Resources
www.gmac.com|www.mba.com | | GMAT Club Rules | Terms and Conditions