Question

Two cars are 400 miles apart when they start moving towards each other. The speed of the first car is 30 mph. The the second car moves 20 mph faster than the first car. After how many hours will the cars meet?

Answer 1

will take 5 hours dog water

Explanation:

Answer 2

It will take them 5 hours.

Explanation:

If one is moving towards the other at 30, and the other by 20 more, then the equation would be 30+50, so 80mph.