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Chris Peckover, Target Test Prep GMAT expert
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15 live classes from Sep 28, 2026

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by 4meonly » Sat Sep 27, 2008 10:03 am
weight is reduced by 4/5 (which is 80%)
so price incereases by 5/4 (which is 125%)
Last edited by 4meonly on Sat Sep 27, 2008 10:04 am, edited 2 times in total.
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by cramya » Sat Sep 27, 2008 10:03 am
L:ets say 1 ounce was 1 $ before the volume got reduced.

After the volume got reduced

.8 ounces 1 $ therefore 1 ounce will be 1.25 $

Percent Inc = 1.25 - 1 / 1 * 100 = 25 % (New-old/old*100)
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by pre-gmat » Sat Sep 27, 2008 10:11 am
or if you want to do it algebraically...

original Price/pound= P/W
New P/0.8 W

% increase= (P/0.8W-P/W )/P/W

comes out to 1/4 or 25%.

I guess teh easiest way to do this one is as 4meonly suggests...
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by sparsh.21 » Sat Sep 27, 2008 10:46 am
Got it.............thanks 4 d explanations !!!
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