SOLUTION: a bag of money has 23 more dimes than quarters. Total amt. in bag $28.80 How many quarters are there?

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Question 590175: a bag of money has 23 more dimes than quarters. Total amt. in bag $28.80
How many quarters are there?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
d=q+23
.1d+.25q=28.80
.1(q+23)+.25q=28.80
.1q+2.3+.25q=28.8
.35q+2.3=28.8
.35q=26.5
q=75.71...
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Did you copy the problem wrong?