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OpenStudy (anonymous):
what is percent change from 79 to 94
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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
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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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