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11 April, 14:52

If 120% of a is equal to 80% of b, which of the following is equal to a+b?

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  1. 11 April, 18:46
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    120%of a = 80%of b

    120*a/100=80*b/100

    100 cancle on both sides

    120a=80b

    so a/b=80/120

    a/b=2/3

    So a=2 and b=3

    a+b=2+3

    a+b=5
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