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19 October, 16:26

Find a number whose fifth part inereased by 30 is equal to its fourth part decreased by 30.

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  1. 19 October, 16:56
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    1200

    Step-by-step explanation:

    Let the number be represented by n. The problem statement tells us ...

    ... n/5 + 30 = n/4 - 30

    Multiplying by 20 gives

    ... 4n + 600 = 5n - 600

    Adding 600-4n gives

    ... 1200 = n

    The number is 1200.
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