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11 January, 15:40

Solve the equation show your work 4/a=5/100

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  1. 11 January, 15:57
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    cross multiply the two numbers.

    4x100=400

    5xa=5a

    now set them equal to each other

    400=5a

    Divide 5a on both sides you get 80.

    a=80
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