SOLUTION: A coin bank contains $17.00 in pennies and nickels. If there are 1140 coins in the bank, how many of them are nickels? PLEASE ANSWER ASAP THIS IS DUE TONIGHT

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Question 938979: A coin bank contains $17.00 in pennies and nickels. If there are 1140 coins in the bank, how many of them are nickels?
PLEASE ANSWER ASAP THIS IS DUE TONIGHT
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
p and n how many each.

highlight%28system%28p%2Bn=1140%2Cp%2B5n=1700%29%29

This is a very convenient system easily ready for Elimination Method to first solve for how many nickels, n.