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22 September, 16:49

If 22.5% is 18 how do I found out what 37.5% is

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  1. 22 September, 16:52
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    You can use proportions.

    22.5/100 = 18/x

    cross multiply:

    100 x 18 = 1800

    1800/22.5 = 80

    so now you know 80 is the 100%.

    then do:

    37.5/100 = x/80

    cross multiply:

    37.5 x 80 = 3000

    3000/100 = 30

    37.5% = 30
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