SOLUTION: a jar has $3.60 in nickels and quarters. There are 28 coins in all. How many of each coin is in the jar?

Question 810589: a jar has $3.60 in nickels and quarters. There are 28 coins in all. How many of each coin is in the jar?
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
5n + 25q = 360
n + q = 28
q = 28 - n
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5n + 25q = 360
5n + 25(28 - n) = 360
5n + 700 - 25n = 360
340 = 20n
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n = 17
q = 11
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