24-03-2018
Mathematics

contestada

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?

Respuesta :

justicedielss justicedielss

24-03-2018

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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