SOLUTION: Gordon has 3.40 in change made up of dimes and quarters if Gordon has three times as many quarters as dimes how many quarters and dimes does he have

SOLUTION: Gordon has 3.40 in change made up of dimes and quarters if Gordon has three times as many quarters as dimes how many quarters and dimes does he have

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Question 736131:
Gordon has 3.40 in change made up of dimes and quarters if Gordon has three times as many quarters as dimes how many quarters and dimes does he have
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
.25Q+.10D=3.40
Q=3D
.25*3D+.10D=3.40
.75D+.10D=3.40
.85D=3.40
D=3.40/.85
D=4 NUMBER OF DIMES.
Q=3*4=12 NUMBER OF QUARTERS.
PROOF:
.25*12+.10*4=3.40
3.00+.40
3.40=3.40
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