Question 818170: Shiori has $4.70 in change in her pocket, and in nickels and quarters. She has 38 coins in all. How many nickels does she have?
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! n + q = 38
q = 38 - n
5n + 25q = 470
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5n + 25q = 470
5n + 25(38 - n) = 470
5n + 950 - 25n = 470
20n = 480
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n = 24
q = 14
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