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24 February, 07:19

A coin bank contains only pennies and nickels and has a total value of $17.00. If there are 1,140 coins, how many nickels does he have?

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  1. 24 February, 07:30
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    n=5.6/.04

    n=140 the number of nickels.

    1140-140=1000 pennies.

    proof:

    .01*1000+.05*140=17

    10+7=17

    17=17
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