How to solve ? : Retired Discussions [Locked]
Check GMAT Club Decision Tracker for the Latest School Decision Releases http://gmatclub.com/AppTrack

 It is currently 23 Jan 2017, 17:07

### 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

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# How to solve ?

 new topic post reply Question banks Downloads My Bookmarks Reviews Important topics
Author Message
Intern
Joined: 27 Dec 2009
Posts: 14
Followers: 0

Kudos [?]: 84 [0], given: 0

How to solve ? [#permalink]

### Show Tags

15 Jan 2010, 05:14
At car dealership X,the total profit from sales increased by 10 percent over the previous year,while the number of cars sold decreased by 10 percent over the previous year.Approximately what was the average perccent increase in profit per car over the previous year?
1. 18%
2.20%
3.22%
4.23%
5.25%
GMAT 800:Answer:C But why?
 Kaplan GMAT Prep Discount Codes Veritas Prep GMAT Discount Codes Math Revolution Discount Codes
Senior Manager
Joined: 21 Jul 2009
Posts: 366
Schools: LBS, INSEAD, IMD, ISB - Anything with just 1 yr program.
Followers: 18

Kudos [?]: 164 [0], given: 22

Re: How to solve ? [#permalink]

### Show Tags

15 Jan 2010, 06:59
samrand wrote:
At car dealership X,the total profit from sales increased by 10 percent over the previous year,while the number of cars sold decreased by 10 percent over the previous year.Approximately what was the average perccent increase in profit per car over the previous year?
1. 18%
2.20%
3.22%
4.23%
5.25%
GMAT 800:Answer:C But why?

Let last year's Profit was P and number of cars sold was N.
This year profit is given 1.1P and number of cars sold is 0.9N.

Average percent profit per car last year is P/N. Average percent profit per car this year is 1.1P/0.9N. 1.1/0.9 is 1.22 approx, so this is 1.22 times more than last year, therefore, 22%.
_________________

I am AWESOME and it's gonna be LEGENDARY!!!

Re: How to solve ?   [#permalink] 15 Jan 2010, 06:59
Similar topics Replies Last post
Similar
Topics:
Quantitative :: Problem solving :: Algebra :: D01-44 0 14 Dec 2013, 19:53
please help me solve this sc 3 27 Oct 2012, 20:20
8 Problem solving question (m25-35) 17 19 Jan 2010, 18:07
2 Problem solving question (m25#26) 1 19 Jan 2010, 18:03
7 How good are the Verbal Challenges? 7 06 Jun 2008, 17:27
Display posts from previous: Sort by

# How to solve ?

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

Moderator: Bunuel

 Powered by phpBB © phpBB Group and phpBB SEO Kindly note that the GMAT® test is a registered trademark of the Graduate Management Admission Council®, and this site has neither been reviewed nor endorsed by GMAC®.