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Readme [11.4K]
3 years ago
10

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

Mathematics
2 answers:
grin007 [14]3 years ago
7 0

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

puteri [66]3 years ago
5 0
You first divide the number by 100 and then multiply it by the percentage that you are given
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