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Old 2008 July 24th, 06:17 PM   #5 (permalink)
shahdevine
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Join Date: Jul 2007
Posts: 15
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2.


Given:
P=.75R
P=.9G

Step 1: Set equations equal and find ratio of R to G

.75R=.9G
90/75=R/G
R/G=1.2/1

.2 equals excess that R is greater than G --> 20%

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