The speed of the boat in still water is 16.7 km / h, and the speed of the river is 2.3 km / h.

The speed of the boat in still water is 16.7 km / h, and the speed of the river is 2.3 km / h. The boat walked for 2 hours along the river, and then turned back and went for another 3 hours. How many kilometers did the boat go?

Let’s calculate how many kilometers it is possible to represent the distance that has been traveled downstream:

(16.7 + 2.3) * 2 = 38.

Let’s calculate how many kilometers it is possible to represent the distance that was passed against it:

(16.7 – 2.3) * 3 = 43.2.

Let’s calculate its total path:

38 + 43.2 = 81.2.

Answer: 81.2 km.