The speed of a truck is 50 mph and the speed of a car is 60 mph. They start from the same point and move in the same direction. In how many hours will a distance between them be 18 miles?
To find the time it takes for the distance between them to be 18 miles, we need to determine how much time it takes for the faster car to catch up to the slower truck.
The relative speed between the car and the truck is 60 mph - 50 mph = 10 mph.
To find the time it takes to cover a distance of 18 miles with a speed of 10 mph, we divide the distance by the speed: 18 miles / 10 mph = 1.8 hours.
Therefore, the distance between the truck and the car will be 18 miles after 1.8 hours.