Ratio problem

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Xeb: Junior | Next Rank: 30 Posts; Posts: 12; Joined: Mon Jan 04, 2010 10:38 am; Thanked: 2 times

by Xeb » Fri Oct 07, 2011 10:10 am

What is the ratio of 3/4 to the product 4(3/4)?

(A) 1/4
(B) 1/3
(C) 4/9
(D) 9/4
(E) 4

[spoiler]First solve 4(3/4) = 16/4*3/4 = 48/4 = 12.[/spoiler]

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Source: Beat The GMAT — Problem Solving | Fri Oct 07, 2011 10:10 am

shankar.ashwin: Legendary Member; Posts: 966; Joined: Sat Jan 02, 2010 8:06 amFollowed by: 21 members; Thanked: 230 times

by shankar.ashwin » Fri Oct 07, 2011 10:18 am

4*(3/4) = 3

Ratio of (3/4)/3 = [spoiler]1/4[/spoiler]

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GmatMathPro: GMAT Instructor; Posts: 349; Joined: Wed Sep 28, 2011 3:38 pmFollowed by: 54 members; Location: Austin, TX; Thanked: 236 times; GMAT Score:770

by GmatMathPro » Fri Oct 07, 2011 11:21 am

Let x=3/4 and make substitutions. Now the question is "What is the ratio of x to 4x?" And the answer is clearly [spoiler]1/4[/spoiler]

Pete Ackley
GMAT Math Pro
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