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5 April, 01:37

You have a total of 49 dimes and quarters. You have 7 more quarters than dimes. Which system of equations can you use to find the number x of quarters and number y of dimes you have? Use the system to determine how much money you have in quarters and dimes.

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  1. 5 April, 04:26
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    X = y + 7

    49 = x + y

    49 = y + y + 7

    49 = 2y + 7

    42 = 2y

    y = 21

    x = 21 + 7

    You have 21 dimes and 28 quarters
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