Larry rides his bike at a rate of 8.8 inches per second. About how m any miles per hour can Larry ride his bike?
8.8 inches/ sec x 60sec /min x 60 min/hr x 1ft/12 inches x 1 mile/5280 ft =
8.8 x 60 x 60 / (12 * 5280) = m/hr
Note how everything cancels out except miles and / hr