SOLUTION: A child's coin bank contains $2.58 in pennies and nickels. If the number of pennies is 36 less than 2 times the number of nickels, how many nickels are in the bank?
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Question 233934: A child's coin bank contains $2.58 in pennies and nickels. If the number of pennies is 36 less than 2 times the number of nickels, how many nickels are in the bank?
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
"A child's coin bank contains $2.58 in pennies and nickels" ___ P + 5N = 258
"the number of pennies is 36 less than 2 times the number of nickels" ___ P = 2N - 36
substituting ___ 2N - 36 + 5N = 258 ___ 7N = 294 ___ N = 42
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