SOLUTION: Nick has 40 coins in his collection, all of which are either 5-cent or 10-cent coins. If the tots value of his coins is 3.15 dollar, who many does he have of each type coin?

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Question 659335: Nick has 40 coins in his collection, all of which are either 5-cent or 10-cent coins. If the tots value of his coins is 3.15 dollar, who many does he have of each type coin?
Answer by lynnlo(4176) About Me  (Show Source):
You can put this solution on YOUR website!
23 dimes=$2.30
17 nickels=.85
total=$3.15