SOLUTION: $14.70 in piggy bank with only dimes and quarters. How many quarters? .10(72-q)+25q=14.70

Question 995086: $14.70 in piggy bank with only dimes and quarters.
How many quarters?
.10(72-q)+25q=14.70
Answer by josgarithmetic(39799) (Show Source): You can put this solution on YOUR website!
Your description does not have enough information.
You only have enough for and this can be simplified or adjusted into .

Your shown equation (wrong because of a decimal mistake) implies a count of coins to be 72, so that . If this is the missing part of your description, then now you know you have a system of equations equivalent to
which should not be difficult to solve.

--
q=50
d=22
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