SOLUTION: Athena has $ 1.15 in nickels and dimes, totally 16 coins. How many nickels and how many dimes sue have?

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Question 1147086: Athena has $ 1.15 in nickels and dimes, totally 16 coins. How many nickels and how many dimes sue have?
Answer by josgarithmetic(39629) About Me  (Show Source):
You can put this solution on YOUR website!
x dimes
16-x nickels

10x%2B5%2816-x%29=115 liketwopartmixtureproblems
-
2x%2B16-x=23
x=23-16
x=7-------------number of dimes