SOLUTION: When Courtney collected her change she realized that she had five times as many dimes as quarters. Her dimes and quarters totaled $5.25. How many quarters did she have?

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Question 819758: When Courtney collected her change she realized that she had five times as many dimes as quarters. Her dimes and quarters totaled $5.25. How many quarters did she have?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
d = 5q
10d + 25q = 525
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10d + 25q = 525
10(5q) + 25q = 525
50q + 25q = 525
75q = 525
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q = 7
d = 35
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