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8th grade math

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He had dimes and quarters ... He has 8 more quarters than dimes equalling 5.50..., how do u solve ..

  • 8th grade math - ,

    working with the number of coins,
    you are told that q = d+8

    now add the values:
    10d + 25(d+8) = 550
    10d + 25d + 200 = 550
    35d = 350
    d = 10

    so, 10 dimes, 18 quarters

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