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2015-05-21T20:34:00+08:00

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To find the percent increase, divide P 18 by P 15
P 18 divided by P 15=1.2

Convert to percent by multiplying 100
1.2 x 100=120%

Hope this helps =)
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2015-05-21T20:34:26+08:00

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Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Since we are looking for the rate of increase:
Rate=   \frac{Percentage}{Base} = \frac{18-15}{15} = \frac{3}{15} =0.2=20%
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