SOLUTION: If I have 7 more quarters than I have dimes and I have 15 coins how much do I have

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Question 1014660: If I have 7 more quarters than I have dimes and I have 15 coins how much do I have
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
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D=number of dimes; Q=number of quarters=D+7
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D+Q=15
D+(D+7)=15
2D+7=15
2D=8
D=4
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Q=D+7=4+7=11
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ANSWER: You have 4 dimes and 11 quarters.