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27 July, 16:45

How do I solve this for a and b? 7/b-36=a/72=28/b

We were shown how to do multi steps but not multiple variables.

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  1. 27 July, 16:59
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    7 / (b-36) = 28/b

    28b-1008=7b

    21b=1008

    b=48

    a/72=28/b

    a=72x28/48

    a=42
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