Homework
30. The expenses E and income I for making and selling T-shirts with a school logo are given by the equations
E= 535 + 4.50n and I = 12n, where n is the number of T-shirts.
How many T-shirts must be made and sold to break even? Explain.

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work