Math questions from any Manhattan Prep GMAT Computer Adaptive Test.
v.vkb16
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PS- percentage problem mgmat cat 5

by v.vkb16 Thu Oct 15, 2009 3:25 am

By approximately what percent is x greater than 4/5 if (4/5)(x) = 1?
nitin_prakash_khanna
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Re: PS- percentage problem mgmat cat 5

by nitin_prakash_khanna Sun Oct 25, 2009 11:00 am

(4/5) x = 1
so x = 5/4

difference between x & 4/5= (5/4-4/5) = 9/20 = 0.45

4/5 = 0.8

0.45 / 0.8 *100 = ~ 56%
RonPurewal
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Re: PS- percentage problem mgmat cat 5

by RonPurewal Mon Nov 02, 2009 10:26 pm

nitin_prakash_khanna Wrote:(4/5) x = 1
so x = 5/4

difference between x & 4/5= (5/4-4/5) = 9/20 = 0.45

4/5 = 0.8

0.45 / 0.8 *100 = ~ 56%


looks good to me.