A train travels at a constant speed of 60 miles per hour. How long will it take to travel 180 miles?
- A3.5 hours
- B2 hours
- C4 hours
- D3 hoursĐúng
Vì sao: Time equals distance divided by speed. Dividing 180 miles by 60 miles per hour gives 3 hours. Keeping the units consistent lets the miles cancel and leaves hours.


