SOLUTION: your piggy bank has a total of 48 coins in it; some are dimes and some are nickels. If you have a total of $3.20, how many nickels amd how many dimes do you have?

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Question 884744: your piggy bank has a total of 48 coins in it; some are dimes and some are nickels. If you have a total of $3.20, how many nickels amd how many dimes do you have?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
n + d = 48
5n + 10d = 320