SOLUTION: Kendra has $8.50 in dimes and quarters. If she has 3 times as many quarters as dimes, how many of each coin does she have?
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Question 1007908: Kendra has $8.50 in dimes and quarters. If she has 3 times as many quarters as dimes, how many of each coin does she have?
Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
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D=dimes; Q=quarters=3D
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$0.10D+$0.25Q=$8.50
$0.10D+$0.25(3D)=$8.50
$0.10D+$0.75D=$8.50
$0.85D=$8.50
D=10
ANSWER 1: She has 10 dimes
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Q=3D+3(10)=30
ANSWER 2: She has 30 quarters.
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CHECK:
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$0.10D+$0.25Q=$8.50
$0.10(10)+$0.25(30)=$8.50
$1.00+$7.50=$8.50
$8.50=$8.50
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