SOLUTION: sally has $5.20 in quarters and dimes. She has 1/4 more quarters than dimes. How many quarters does sally have?
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Question 957326: sally has $5.20 in quarters and dimes. She has 1/4 more quarters than dimes. How many quarters does sally have?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
sally has $5.20 in quarters and dimes. She has 1/4 more quarters than dimes. How many quarters does sally have?
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Quantity:: q = (5/4)d
Value:: 10d + 25q = 520 cents
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Simplify::
5d - 4q = 0
10d + 25q = 520
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Modify for elimination::
10d - 8q = 0
10d + 25q = 520
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Subtract and solve for "q":
33q = 520
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Comment: That does not result in a whole
number of quarters. Please check your post.
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Cheers,
Stan H.
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