If Dr. Suzuki rides his bike to his office, he averages 12 miles per hour. If he drives his car, he averages 48 miles per hour. His time driving is 1/4 hour less than his time bicycling. How far is his office?
12 miles from his home. because 12 into 48 it 4 times. like 1/4 of an hour is 15 min and that times 4 is one hour that it takes on his bike