Problema Solution

A cashier has a total of 126 bills in fives and tens. The total in his drawer is $840. How many fives, and howe many tens does he have in his drawer?

Answer provided by our tutors

Let

x = the number of fives

y = the number of tens

x + y = 126

5x + 10y = 840

........

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

........

x = 84 fives

y = 42 tens

The cashier has 84 fives and 42 tens in his drawer.