SOLUTION: Diane has $1.55 in dimes and nickels. She has a total of 20 coins. How many of each kind does she have

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Question 464329: Diane has $1.55 in dimes and nickels. She has a total of 20 coins. How many of each kind does she have
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
m+n=20
5m+10n=155
5m+5n=100
5n=55
n=11
m=9
Diane has 11 nickels and 9 dimes..