oliversundgrenozqfms oliversundgrenozqfms

07-10-2018
Mathematics

contestada

How do I calculate percentage is a number? Ex. 30% is 15

And how do I calculate percentage of a number? Ex. 35% of 670

Respuesta :

sheyachan2001 sheyachan2001

07-10-2018

You first divide the number by 100 and then multiply it by the percentage that you are given

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savannahmichellecrim savannahmichellecrim

07-10-2018

i learned it as "is" over "of" "per" over "cent"

cent means 100

what IS 30% OF 670

so that would be

x/670 30/100

and then you cross multiply

100x = 20100

x = 201

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