Question 816022: It's 9 dollars and 45 cents in a jar. It's 65 coins and only nickles and quarters. How many quarters are there and how many nickles are there?
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! 5n + 25q = 945
n + q = 65
q = 65 - n
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5n + 25q = 945
5n + 25(65 - n) = 945
5n + 1625 - 25n = 945
20n = 680
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n = 34
q = 31
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