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2 January, 19:20

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

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Answers (2)
  1. 2 January, 19:32
    0
    You first divide the number by 100 and then multiply it by the percentage that you are given
  2. 2 January, 19:39
    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
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