Erin earns $7.50 for each hour she works. Rita earns $9.00 for each hour she works.
The table shows the amounts that Erin and Rita earn for working 1 to 6 hours.

A table showing Erin and Rita's earnings. After one hour, Erin earns seven dollars and fifty cents and Rita earns nine dollars. After two hours, Erin earns fifteen dollars and Rita earns eighteen dollars. After three hours, Erin earns twenty-two dollars and fifty cents and Rita earns twenty-seven dollars. After four hours, Erin earns thirty dollars and Rita earns thirty-six dollars. After five hours, Erin earns thirty-seven dollars and fifty cents and Rita earns forty-five dollars. After six hours, Erin earns forty-five dollars and Rita earns fifty-four dollars.

How will their total earnings compare for a 40-hour workweek?