Riley and Jace work at a dry cleaners ironing shirts. Riley can iron 25 shirts per hour, and Jace can iron 30 shirts per hour. Riley worked 3 more hours than Jace and they
ironed 460 shirts between them. Write a system of equations that could be used to
determine the number of hours Riley worked and the number of hours Jace worked.
Define the variables that you use to write the system.