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Math

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Marsha has nickels, dimes, and quarters. She has 207 coins total. Marcy has 13 less quarters than nickels. Find the number of each coin if she has a total of $28.

  • Math - ,

    nickels --- x
    quarters ---- x-13
    dimes --- 207 - (x + x-13) = 220 - 2x

    solve for x:

    5x + 25(x-13) + 10(220-2x) = 2800
    5x + 25x - 325 + 2200 - 20x = 2800
    10x = 925

    but x should be a whole number,
    Unless I made a silly arithmetic error, your data is not consistent.

  • Math - ,

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  • Math - ,

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