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2 August, 17:34

How many quarters and dimes of 80 coins make up 14.45

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  1. 2 August, 17:47
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    q + d = 80

    .25q +.10d = 14.45

    q. + d = 80

    25q + 10d = 1445

    -10q. - 10d = - 800

    25q + 10d = 1445

    15q. = 645

    q = 43 quarters

    43 + d = 80

    d = 37 dimes
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