SOLUTION: I have $21.40 in dimes and quarters. She has a total of 100 coins. How many of each kind does she have?

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Question 251342: I have $21.40 in dimes and quarters. She has a total of 100 coins. How many of each kind does she have?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
25q+10d=2140
d+q=100