SOLUTION: Jennifer has 21 coins in nickels and dimes. THe coins have a total value of $1.65. How many of each does she have?

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Question 251792: Jennifer has 21 coins in nickels and dimes. THe coins have a total value of $1.65. How many of each does she have?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
n=number of nickels
d=number of dimes
5n = value of the nickels
10d= value of the dimes
n+d=21
5n+10d=165