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27 September, 23:32

Ms. davis has 23 quarters and dimes worth 3.50. how many of each coin does she have

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  1. 28 September, 03:14
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    Q+d=23

    .25q+.10d=3.50

    25q+10d=350

    d=23-q

    25q+230-10q=350

    15q=120

    q=8

    d=15
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