Two cars start at the same point and travel in the same direction on the same road. one travels 50 km/h and the other travels at 45 km/h. after how many hours will they be 20 km apart?

4 hours.

Step-by-step explanation:

For every hour they travel the faster car travels 50-45 = 5 kilometers more than the slower one.

So the time when they are 20 km apart will be 20/5 = 4 hours after the start.

109 is the nearest whole number/final answer! : )

3: 2

step-by-step explanation:

shorter piece is 2: 3, so just reverse it, and you get 3: 2