SOLUTION: Marissa has $4.40 in quarters and dimes.bic she has 5 more quarters than dimes how many of each coins does she have

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Question 1006684: Marissa has $4.40 in quarters and dimes.bic she has 5 more quarters than dimes how many of each coins 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

10d + 25q = 440
q = d + 5

Substitute the second equation into the first.

10d + 25q = 440
10d + 25(d + 5) = 440
10d + 25d + 125 = 440
35d = 315
d = 9

Marissa has 9 dimes and 14 quarters.