Two skiers are walking along the ski slope in one direction. Now the distance between them is 2.4 km.

Two skiers are walking along the ski slope in one direction. Now the distance between them is 2.4 km. The speed of the skier walking in front is 9.6 km / h, and the speed of the skier walking behind is 13.2 km / h. will the skier catch up with the first one?

To solve the problem, we find the speed of the skiers’ approach (it is equal to the difference between their speeds, since one is catching up with the other):

13.2 – 9.6 = 3.6 km / h.

Let’s find how quickly the distance of 2.4 km will be covered with the obtained approach speed:

2.4 / 3.6 = 24/36 = 2/3 hours.

Let’s convert time into minutes:

2/3 h = 40/60 h = 40 min.

Answer: one skier will catch up with the second in 2/3 hours or, which is the same, in 40 minutes.