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11 May, 04:10

Daca a/3=7/10 calculati 100a

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  1. 11 May, 07:09
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    A/3=7/10

    cross multiplying

    it becomes, 10a=21

    dividing by 10 both sides

    it becomes, a=2.1

    we are asked to find 100a but a=2.1,

    then, 100a=100✖2.1

    100a=210

    thereafter, 100a=210
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