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22 July, 03:06

What percent is of 30 is 40

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  1. 22 July, 04:38
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    30/x=100/40

    (30/x) * x = (100/40) * x - you multiply both sides of the equation by x

    30=2.5*x - you divide both sides of the equation by (2.5) to get x

    30/2.5=x

    12=x

    x=12

    now we have:

    40% of 30=12
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