SOLUTION: If Jesse has 2 times as many dimes as quarters and they have a combined value of 225 cents, how many of each coin does he have?

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Question 1130034: If Jesse has 2 times as many dimes as quarters and they have a combined value of 225 cents, how many of each coin does he have?
Found 2 solutions by josgarithmetic, stanbon:
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
2Q dimes
Q quarters
10%2A2Q%2B25%2AQ=225

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If Jesse has 2 times as many dimes as quarters and they have a combined value of 225 cents, how many of each coin does he have?
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Equations:
d = 2q
10d + 25q = 225 cents
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Substitute for "d" and solve for "q"::
10(2q) + 25q = 225
20q + 25q = 225
45q = 225
q = 5 (# of quarters)
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Solve for "d"::
d = 2*5 = 10 (# of dimes)
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Cheers,
Stan H.
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