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25 June, 11:46

Solve the poportion 4/5 = 28/x using two diffrent methods. explain each method

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  1. 25 June, 12:10
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    1. equate the numerators:

    4/5 = 28/35 (multiply by 7/7)

    28/35=28/x, so x=35

    2. cross-multiply:

    multiply both sides by 5x:

    4x=140

    x=35
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