08-02-2015
Mathematics

contestada

original 45 new 30 what is the percent of decrease?

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apologiabiology apologiabiology

08-02-2015

so 45 to 30 is a difference of 15

the dereece is 15/45=1/3
to conver to percent, just divide the fraction, and multiply by 100
1/3=0.33333333...
multiply by 100
33.3333%

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good job