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15 November, 09:57

When Ryan counted some dimes and quarters he had 196 coins and a total of $39.40. How many coins of each kind does Ryan have?

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  1. 15 November, 12:55
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    Quarters = x

    dimes = 196 - x

    10 (196 - x) + 25x = 3940

    1960 - 10x + 25x = 3940

    1960 + 15x = 3940

    15x = 1980

    x = 132

    169 - 132 = 64

    Therefor there are 132 quarters and 64 dimes
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