Question

Grace works between 10 to 20 hours per week while attending college. She earns $11.00 per hour. Her roommate Frances also has a job. Her pay for t hours is given by the function f(t) = 8t, where 5 ≤ t ≤ 15.
Part B
Compare their hourly wages and the amount they each earn per week.

Answer 1

I think it should be 5<20