If a train travels 120 miles at 60 mph, how many hours does the trip take?

If a train travels 120 miles at 60 mph, how many hours does the trip take?

• A. 1
• B. 2
• C. 3
• D. 4

Answer: (B)

Time equals distance divided by speed. If the train covers 60 miles in one hour, it travels 60 miles per hour. To go 120 miles at the same speed, you need twice as long. Do the math: 120 ÷ 60 = 2. So the trip takes 2 hours. The units line up because miles divided by miles per hour leaves hours.

Time equals distance divided by speed. If the train covers 60 miles in one hour, it travels 60 miles per hour. To go 120 miles at the same speed, you need twice as long. Do the math: 120 ÷ 60 = 2. So the trip takes 2 hours. The units line up because miles divided by miles per hour leaves hours.