SOLUTION: Daniela has $35.40 in dimes and quarters. She has 4 more dimes than quarters. How many quarters does she have?
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Question 95125: Daniela has $35.40 in dimes and quarters. She has 4 more dimes than quarters. How many quarters does she have?
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
.25Q+.10(Q+4)=35.40
.25Q+.10Q+4=35.40
.35Q=35.40-.40
.35Q=35
Q=35/.35
Q=100 NUMBER OF QUARTERS.
100+4=104 DIMES.
PROOF
.25*100+.10*104=35.40
25.00+10.40=35.40
35.40=35.40
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