A trucker on the interstate travels 32 miles in 30 minutes. At this rate, how far will the truck travel in 4.5 hours?

Answer 1

(32 mi/30 min)(4.5 h) (60 min/h) = 288 mi

or simply 32 mi in 1/2 hr is 64 mi/h

64 * 4.5 = 288