SOLUTION: 124 bills made of fives and tens. The total is $660. How many tens?
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Question 621211: 124 bills made of fives and tens. The total is $660. How many tens?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
124 bills made of fives and tens. The total is $660. How many tens?
.
Let x = number of tens
then
124-x = number of fives
.
10x + 5(124-x) = 660
10x + 620-5x = 660
5x + 620 = 660
5x = 40
x = 8 (number of tens)
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