Problema Solution

A bank teller has 86 bills and $5 bills and $10 bills the total value is $625 how many of each bill does he have?

Answer provided by our tutors

Let

x = the number of $5 bills

y = the number of $10 bills

There are 86 bills in total:

x + y = 86

The total value of the bills is $625:

5x + 10y = 625

We have the following system of equations:

x + y = 86

5x + 10y = 625

........

click here to see the system of equations solved for x and y

........

x = 47 $5 bills

y = 39 $10 bills

The bank-teller has 47 $5 bills and 49 $10 bills.