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9 January, 16:09

A woman has $1.70 in dimes and nickels. She has 5 more dimes than nickles. How many nickles does she have

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  1. 9 January, 20:02
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    D=5+n

    0.1 (5+n) + 0.05n=1.7

    0.5+0.15n=1.7

    0.15n=1.2

    n=8

    d=13

    therefore 8 nickles and 13 dimes.
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