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

Redeem

PS, mixture,Manhattan

This topic has expert replies
Post new topic Post Reply
Previous Topic Next Topic
Senior | Next Rank: 100 Posts
Posts: 46
Joined: Thu Nov 22, 2007 6:32 am

PS, mixture,Manhattan

by ukr.net » Fri Dec 07, 2007 7:43 am
Solution A is 20% salt and solution B is 80% salt. If you have 30 ounces of solution A and 60 ounces of solutionB, in what ratio could you mix solution A with solution B to produce 50 ounces of a 50% salt solution?

6:4
6:14
4:4
4:6
3:7
Top
Source: — Problem Solving |
Junior | Next Rank: 30 Posts
Posts: 26
Joined: Wed Apr 11, 2007 10:33 am
Thanked: 8 times

by me4mba » Fri Dec 07, 2007 10:46 am
20% is 1/5 and 80% is 4/5

The question can be expressed in this equation:

(1/5) A + (4/5) B = (1/2) (A+B)

Simplify the equation, and eventually, you'll get

3B = 3A

The question asks for the ratio A/B:

A/B = 3/3 = 1

Pick the answer choice where the ratio is 1; 4:4
Top
Post new topic Post Reply
• Page 1 of 1