Jillian exercises 5 times a week she runs 3 miles each morning and bikes in the evening if she exercises a total of 30 miles for the week how many miles does she bike each evening?
Well since she exercises 5 times a week, and each morning she runs 3 miles, you would do 3*5=15, so you subtract 15 from 30, which leaves 15. She bikes 3 miles each evening