Question 394261
Benny the car hop has 2 times as many dimes as quarters. If Benny has 41.85 dollars worth of dimes and quarters combined, how many quarters does he have?
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Quantity Eq: d = 2q
Value Eq:: 10d + 25q = 4185 cents
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Substitute and solve for "q":
10(2q) + 25q = 4185
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45q = 4185
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q = 93 (# of quarters)
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Cheers,
Stan H.