Suzette ran and biked for a total of 34 miles in 3.5 hours. her average running speed was 6 mph and her average biking speed was 12.5mph. how many hours did suzette run

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