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

It is currently 20 Oct 2014, 21:49

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.

Events & Promotions

Events & Promotions in June
Open Detailed Calendar

A certain shade of gray paint is obtained by mixing 3 parts

  Question banks Downloads My Bookmarks Reviews Important topics  
Author Message
TAGS:
Manager
Manager
avatar
Joined: 05 Jul 2006
Posts: 199
Followers: 1

Kudos [?]: 11 [0], given: 0

A certain shade of gray paint is obtained by mixing 3 parts [#permalink] New post 08 Sep 2006, 18:35
00:00
A
B
C
D
E

Difficulty:

(N/A)

Question Stats:

0% (00:00) correct 0% (00:00) wrong based on 0 sessions
A certain shade of gray paint is obtained by mixing 3 parts of white paint with 5 parts of black paint. If 2 gallons of the mixture is needed and the individual colors can be purchased only in one-gallon or half- gallon cans, what is the least amount of paint, in gallons, that must be purchased in order to measure out the portions needed for the mixture?
VP
VP
User avatar
Joined: 02 Jun 2006
Posts: 1270
Followers: 2

Kudos [?]: 39 [0], given: 0

 [#permalink] New post 08 Sep 2006, 18:59
Ratio of white to black = 3/5

To get 2 gallons,

3x + 5x = 2

x = 2/8 = 1/4 = 0.25

Required White Paint = 0.75
Required Black Paint = 1.25

Paint can be purchased only in 1 gallon or 0.5 gallon sizes.

White Purchase = 1 gallon
Black Purchase = 1.5 gallons
CEO
CEO
User avatar
Joined: 20 Nov 2005
Posts: 2922
Schools: Completed at SAID BUSINESS SCHOOL, OXFORD - Class of 2008
Followers: 15

Kudos [?]: 81 [0], given: 0

 [#permalink] New post 08 Sep 2006, 21:21
White required = 2*3/8 = 3/4 - Must purchase 1 gallon
Black required = 2*5/8 = 5/4 - Must purchase 1.5 gallons

Total to be purchased = 2.5 gallons
_________________

SAID BUSINESS SCHOOL, OXFORD - MBA CLASS OF 2008

Current Student
User avatar
Joined: 29 Jan 2005
Posts: 5252
Followers: 23

Kudos [?]: 139 [0], given: 0

Reviews Badge
 [#permalink] New post 09 Sep 2006, 03:11
haas_mba07 wrote:
Ratio of white to black = 3/5

To get 2 gallons,

3x + 5x = 2

x = 2/8 = 1/4 = 0.25

Required White Paint = 0.75
Required Black Paint = 1.25

Paint can be purchased only in 1 gallon or 0.5 gallon sizes.

White Purchase = 1 gallon
Black Purchase = 1.5 gallons


Textbook explanation :-D
Intern
Intern
avatar
Joined: 23 Aug 2006
Posts: 8
Followers: 0

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

 [#permalink] New post 09 Sep 2006, 07:32
0.75 W & 1.25 B- Since only 1 Gallon and 1/2 gallon are available,

we need 1 G White & 1.5 G Black totalling to 2.5 Gallon
  [#permalink] 09 Sep 2006, 07:32
    Similar topics Author Replies Last post
Similar
Topics:
A certain shade of gray paint is obtained by mixing 3 parts amitdgr 4 30 Oct 2008, 08:10
A certain shade of gray paint is obtained by mixing 3 parts jimmylow 4 26 Apr 2008, 08:19
A certain shade of gray paint is obtained by mixing 3 parts el1981 4 22 Mar 2008, 14:51
5 Experts publish their posts in the topic A certain shade of gray paint is obtained by mixing 3 parts auniyal 12 12 Feb 2007, 08:32
A certain shade of gray paint is obtained by mixing 3 parts Dilshod 11 24 Aug 2005, 15:43
Display posts from previous: Sort by

A certain shade of gray paint is obtained by mixing 3 parts

  Question banks Downloads My Bookmarks Reviews Important topics  


GMAT Club MBA Forum Home| About| Privacy Policy| Terms and Conditions| GMAT Club Rules| Contact| Sitemap

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®.