SOLUTION: You have 20 coins, all nickels, dimes, and quarters. You have 7 dimes exactly. How many nickels do you have and how many quarters do you have?

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Question 633230: You have 20 coins, all nickels, dimes, and quarters. You have 7 dimes exactly. How many nickels do you have and how many quarters do you have?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
You have 20 coins, all nickels, dimes, and quarters. You have 7 dimes exactly. How many nickels do you have and how many quarters do you have?
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quantity Eq.::: n + d + q = 20
quantity Eq:::: d = 7
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n + q = 13
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Cheers,
Stan H.
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