BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Percentages

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Senior | Next Rank: 100 Posts
Posts: 53
Joined: Mon Feb 09, 2009 12:18 am
Thanked: 1 times

Percentages

by kaf » Thu Apr 02, 2009 11:31 pm
Can someoone please help in explaning the solution to this question

At the candy shop, Calvin purchased 24 chocolate bars and 10 gumdrops. If the cost of each chocolate bar is ten times the cost of each gum drop, what percent of the total purchase price was the cost of all of the gum drops?

A.8%
B.6%
C.4%
D.3%
E.2%

Thanks
Top
Source: — Problem Solving |
Master | Next Rank: 500 Posts
Posts: 418
Joined: Wed Jun 11, 2008 5:29 am
Thanked: 65 times

by bluementor » Fri Apr 03, 2009 12:26 am
price of chocolate bar = x
price of gumdrop = y

x = 10y

total purchase = 24x + 10y = 24(10y) + 10y = 250y
cost of gums = 10y

Therefore:

cost of gums/total purchase
=10y/250y
=1/25
=4%

Choose C.

-BM-
Top
Senior | Next Rank: 100 Posts
Posts: 88
Joined: Tue Mar 03, 2009 8:10 am
Thanked: 3 times

by quocbao » Fri Apr 03, 2009 12:38 am
You're very quick bluementor.

I just open the topic and finish the calculation and you answered already :-D

4% is the same to me
Top
Post new topic Post Reply
• Page 1 of 1