Word problems › Distance, speed and time › Milestones and distances
Average speed from milestones
Middle school · ●●○○○ 20 pts
A car travels at a uniform speed. The driver sees a milestone showing a two-digit number . One hour later the driver sees a milestone showing the same digits in reverse order, . One hour after that the driver sees a milestone showing a three-digit number , with a 0 between the same two digits. What is the speed of the car, in km/h?