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11 December, 03:59

A coin bank containing only dimes and quarters has 12 more dimes than quarters. The total value of the coins is $11. How many quarters and dimes are in the coin bank?

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  1. 11 December, 04:18
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    28 Quarters and 40 Dimes

    Step-by-step explanation:

    Q=x

    D=x+12

    0.25 (x) + 0.10 (x+12) = 11.00

    0.25x+0.10x+1.2=11.00

    0.35x=9.80

    x=28

    Q=x=28

    D=x+12=28+12=40
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