Problema Solution
A cash box of $1 and $5 bills isworth $45. The number of $1 billsis three more than the number of$5 bills. How many of each billdoes it contain
Answer provided by our tutors
Let
x = the number of $1 bills
y = the number of $5 bills
x + 5y = 45
x = y + 3
........
click here to see the system of equations solved for x and y
........
x = 10 $1 bills
y = 7 $5 bills
The cash box contains ten $1 bills and seven $5 bills.