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Mathematics 19 Online
OpenStudy (anonymous):

what is percent change from 79 to 94

OpenStudy (anonymous):

94 - 79 = 15 So, percent change = 15/79 * 100

OpenStudy (anonymous):

ok why 79 not 94

OpenStudy (anonymous):

U should calculate the change on initial quantity. Here, initial quantity is 79.

OpenStudy (anonymous):

ok now how does 100 calculate in the is it 1 over a 100 and then cross multiply?

OpenStudy (anonymous):

Yeah

OpenStudy (anonymous):

omg i think i got it thanks

OpenStudy (anonymous):

Welcome. Medals will always be appreciated.

hero (hero):

because he switched a and b

hero (hero):

You can still do |a-b|*100/a ..you will get the same answer

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