SOLUTION: A cash register contains only five dollar and ten dollar bills. It contains twice as many fives as tens and the total amount of money in the cash register is 720 dollars. How many
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Question 336316: A cash register contains only five dollar and ten dollar bills. It contains twice as many fives as tens and the total amount of money in the cash register is 720 dollars. How many tens are in the cash register? Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! 2X*5+X*10=720
10X+10X=720
20X=720
X=720/20
X=36 TENS.
2*36=72 FIVES.
PROOF:
72*5+36*10=720
360+360=720
720=720
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