d = r*t = 40 * 3 = 120 mi.
d = 60 * T =120, T = 120/60 = 2 h.
The time it takes to cover the distance between two cities by car varies inversely with the speed of the car. The trip takes
3 hours for a car moving at
40 mph. How long does the trip take for a car moving at 60 mph?
2 answers
The time it takes to cover the distance between two cities by car varies inversely with the speed of the car. The trip takes 11 hours for a car moving at 32 mph How long does the trip take for a car moving at 22 mph ?
1 answer