SOLUTION: Shakira has 50 coins in quarters and dimes totaling $9.95. How many of each coin does she have?

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Question 1016474: Shakira has 50 coins in quarters and dimes totaling $9.95. How many of each coin does she have?
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
d = number of dimes
q = number of quarters

d + q = 50
10d + 25q = 995

Multiply the first equation by 25. We are using elimination to get rid of d.

25d + 25q = 1250
10d + 25q = 995

Subtracting, we get 15d = 225, or d = 17.

Shakira has 17 dimes and 33 quarters.