Solve the problem.
-From a point on a straight road, two cars are driven in opposite directions, one at 50 miles per hour and the other at 45 miles per hour. In how many hours will they be 475 miles apart?
A) 6 hours
B) 4 hours
C) Not enough information
D) 5 hours

Question

Quizplus · Accepted Answer

Since the cars are moving in opposite directions, their speeds add up. Thus, the combined speed is 50 mph + 45 mph = 95 mph. To find the time, divide the total distance by the combined speed: 475 miles / 95 mph = 5 hours.

Solve the Problem. -From a Point on a Straight Road, Two Cars Are