Peggy was taking a timed 20-question test. She was able to correctly answer 80% of the questions but had to skip the rest. How many questions did Peggy answer correctly?

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