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math

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Sal keeps quarters, nicles, and dimes in his change jar. He has a total pf 52 coins. He has three more quarters than dimes and five fewer nicles than dimes. How many dimes does Sal have?

a 13
b 18
c 20
d 21

  • math - ,

    You can try trial and error.

    a. 16 quarters, 13 dimes, 8 nickles = 37 coins Nope. That isn't the answer.

    Keep going til you find the right answer.

  • math - ,

    Let x = number of dimes. Since the value of the coins does not matter, the quarters = x + 3, dimes = x and nickels = x-5.

    (x + 3) + x + (x - 5) = 52

    Solve for x.

    I hope this helps. Thanks for asking.

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