SOLUTION: Amy has $325 in 39 bills of $5 and $10 denominations. What is the quantity of $5 bills that Amy has?

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Question 878315:
Amy has $325 in 39 bills of $5 and $10 denominations. What is the
quantity of $5 bills that Amy has?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
10x + 5(39-x) = 325
5x = 130
x = 26 10s and 13 5s
checking: 260 + 65 = 325