SOLUTION: In Peter's piggy bank, there are 9 times as many dimes as quarters and 3 more nickels than quarters. If Peter has $12.15 in his bank, how much money does he have just in quarters?
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Question 906392: In Peter's piggy bank, there are 9 times as many dimes as quarters and 3 more nickels than quarters. If Peter has $12.15 in his bank, how much money does he have just in quarters?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
5n+10d+25q=1215,
d=9*q,
n=q+3
$.65=13 nickels
$9.00=90 dimes
$2.50=10 quarters
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