Question

За 3 ч лыжник прошел растяние равное 45 км за первый час он прошел 1/3 всего расстояние за второй час на 1/9 расстояние больше чем за первый час за третий час он прошел оставшийся путь Сколько километров прошёл лыжник за третий час

Answer 1

За 1 час он прошел 45/3=15км
За 2 час 45/9=5, значит 20 км
45-(15+20)=10км
Ответ 10 км

Answer 2

Calculation of the Distance Covered by the Skier in the Third Hour

To calculate the distance covered by the skier in the third hour, we need to analyze the information provided step by step.

1. In the first hour, the skier covered 1/3 of the total distance. 2. In the second hour, the skier covered 1/9 more distance than in the first hour. 3. In the third hour, the skier covered the remaining distance.

Let's break down the calculations:

1. In the first hour, the skier covered 1/3 of the total distance, which is equal to 45 km.

Therefore, the total distance is 45 km * 3 = 135 km. 2. In the second hour, the skier covered 1/9 more distance than in the first hour.

To find the additional distance covered in the second hour, we can calculate 1/9 of the distance covered in the first hour:

1/9 * 45 km = 5 km.

Therefore, the skier covered 45 km + 5 km = 50 km in the second hour.

3. In the third hour, the skier covered the remaining distance.

To find the remaining distance, we subtract the distance covered in the first and second hours from the total distance:

135 km - 45 km - 50 km = 40 km.

Therefore, the skier covered 40 km in the third hour.

So, the skier covered 40 km in the third hour.