Question 643852: Daniela has $35.60 in dimes and quarters, she has 6 more dimes than quarters, how many quarters does she have?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Daniela has $35.60 in dimes and quarters, she has 6 more dimes than quarters, how many quarters does she have?
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Value equation: 10d + 25q = 3560
Quantity equat: d = q + 6
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Substitute for "d" and solve for "q":
10(q+6) + 25q = 3560
35q = 3500
q = 100 (# of quarters)
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Solve for "d":
d = q + 6
d = 106 (# of dimes)
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Cheers,
Stan H.
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