Question

A bank teller has some five-dollar bills and some twenty-dollar bills. The teller has 4 more of the twenties. The total value of the money is $305.00. Find the number of twenty-dollar bills.

Answer 1

I think it is 15 but I'm not sure just try it and let me know if I was right or not.

Answer 2

Let
`x` be the number of 5 dollar bills. Then the number of 20 dollar bills is
`x+4`. The total amount is $305. So,

`image`

The number of 20 dollar bills is
`9+4=13`.