Penguins have more feathers than most other birds, about seventy-two feathers per square inch. How many feathers would a penguin have on a feathered area of its body that measured three inches by four inches?

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?