Maths

Mr lee is 56 years old. His nephew, sam, is 4 years old. In how maby years’ time will mr lee be 5 times as old as his nephew

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  1. in x years:
    Mr. Lee --- 56+x
    Sam ---- 4 + x

    56+x = 5(4+x)

    solve for x

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  2. L = 56
    S = 4

    L + x = 5 (S + x)

    56 + x = 5 (4 + x) = 20 + 5 x
    4 x = 36
    x = 9

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  3. Wat

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  4. What is this????

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