Eleanor can buy a dozen pencils in a package of a racers for $3.30 she can buy a package of erasers and a notebook for $2.70 or a dozen pencils and a notebook for $2.40 how much does a notebook cost

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?