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5 June, 06:21

15.4 is 70% of what number

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  1. 5 June, 06:47
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    We express the percentage as follows:

    70% = 70 out of 100 = 70/100

    then we write an equation for the problem statement:

    (70%) (x) = 15.4

    that is to say that a number x multiplied by the 70% is equal to 15.4, so we solve for x:

    (70/100) (x) = 15.4

    70x = (15.4) (100) = 1540

    x = 1540/70

    x = 22

    therefore the number is 22, and we can say that 70% of 22 equals to 15.4
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