02-02-2017
Mathematics

contestada

Find the percent of change. Round to the nearest tenth of a percent if necessary. 3/8 to 7/8

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02-02-2017

remember (a/b)/(c/d)=(a/b)(d/c)=(ad)/(bc)

percent change=change/original

change=7/8-3/8=4/8=1/2

change/orignal=(1/2)/(3/8)=(1/2)(8/3)=8/6=4/3=1 and 1/3=1.33333
percent means parts out of 100
1.333333/1=13.3333/10=133.333333/100=133.33333%

answer is 133.3% (rounded)

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