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23 November, 20:43

Geardo has $2.50 in quarters, dimes, and nickels. If he has 18 coins how many of each chin does he have?

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  1. 23 November, 23:19
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    10d + 25q + 5n = 250 (cents)

    5 (2d + 5q + n) = 250

    2d + 5q + n = 50

    d + q + n = 18 (coins)

    Three unknowns and two equations = = > many answers
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