SOLUTION: A bank teller has some five-dollar bills and some twenty dollar bills. The teller has 10 more twenties than fives. The total of the money is $775. Find the number of five dollar bi

Question 335784: A bank teller has some five-dollar bills and some twenty dollar bills. The teller has 10 more twenties than fives. The total of the money is $775. Find the number of five dollar bills.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let T be the number of $20 bills, F be the number of $5 bills.
1.
2.
Substitute eq. 1 into eq. 2,

Then from eq. 1,

.
.
.
The teller has 33 $20 bills and 23 $5 bills.
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