Question

Two cars start driving in the same direction from the same place. If one travels 57

mph and the other 66 mph, how long will it take them to be 63 miles apart?

Answer 1

7 hours

Explanation:

Lets call the velocity of car one V1 and the velocity of car 2 V2

V1 = 57mph and V2 = 66mph

Find the change in velocity

66mph - 57mph = 9mph

This means that Car 2 will be getting 9 miles farther away from car 1 every hour.

x/v = t where x is the miles apart

63m/9mph = 7hours

I hope this makes sense.