SOLUTION: Richy has eight more quarters than dimes in his pocket, for a total of $4.45. Write an equation that can be used to find the number of quarters and dimes. How many quarters does R
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Question 1006720: Richy has eight more quarters than dimes in his pocket, for a total of $4.45. Write an equation that can be used to find the number of quarters and dimes. How many quarters does Richie have? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Richy has eight more quarters than dimes in his pocket, for a total of $4.45. Write an equation that can be used to find the number of quarters and dimes. How many quarters does Richie have?
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Equations:
q = d + 8
10d + 25q = 445 cents
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Substitute for "d" and solve for "q"::
10(q-8) + 25q = 445
35q - 80 = 445
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25q = 525
q = 21 (# of quarters)
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Cheers,
Stan H.
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