Question

Расстояние между метеорологической станции до избушки лесника - 18 км. Лыжник прошёл 2/3 этого расстояния, двигаясь со скоростью 200 м /мин. Сколько часов шёл лыжник? Сможет ли он пройти оставшееся расстояние за полчаса, если будет двигаться с такой же скоростью?

Answer 1

1)18* 2/3 =12(км) = 12 000 м
2)12000 : 200 = 60( мин) = 1 ч - шёл лыжник
3) 18 -12 = 6 (км) = 6 000 м
4) 6000 : 200 = 30( мин) - осталось идти.
Ответ: он шёл 1 час, да сможет. 

Answer 2

18 * 2/3 = 12 км прошел лыжник

12 км = 12000 м 

12000 : 200= 60 мин = 1 час

 

 

18-12=6 км осталось

6 км = 6000м

6000 : 200 = 30 мин

 Ответ: 1 час шёл лыжник,

оставшееся расстояние он сможет пройти за полчаса с такой же скоростью

Answer 3

Calculating the Skier's Time and Ability to Cover the Remaining Distance

To calculate the time the skier took to cover 2/3 of the distance and determine if they can cover the remaining distance in half an hour, we can use the following steps:

1. Calculate the Time Taken to Cover 2/3 of the Distance: - The skier covered 2/3 of the distance, which is 18 km, at a speed of 200 m/min. - We can calculate the time taken using the formula: time = distance / speed.

2. Determine if the Skier Can Cover the Remaining Distance in Half an Hour: - We'll calculate the time required to cover the remaining distance at the same speed and compare it to half an hour.

Let's proceed with the calculations.

Calculating the Time Taken to Cover 2/3 of the Distance:

The skier covered 2/3 of the distance, which is 18 km, at a speed of 200 m/min.

Using the formula: time = distance / speed, we can calculate the time taken.

The time taken to cover 2/3 of the distance: - distance = 2/3 * 18 km - speed = 200 m/min

Calculating the time taken: ``` distance_covered = 2/3 * 18 km = 12 km time_taken = distance_covered / speed time_taken = (12 km * 1000 m/km) / 200 m/min time_taken ≈ 60 minutes ``` So, the skier took approximately 60 minutes to cover 2/3 of the distance.

Determining if the Skier Can Cover the Remaining Distance in Half an Hour:

Now, let's calculate the time required to cover the remaining distance at the same speed and compare it to half an hour.

The remaining distance: - distance_remaining = 1/3 * 18 km - speed = 200 m/min

Calculating the time required to cover the remaining distance: ``` distance_remaining = 1/3 * 18 km = 6 km time_required = distance_remaining / speed time_required = (6 km * 1000 m/km) / 200 m/min time_required = 30 minutes ``` The skier can cover the remaining distance in 30 minutes at the same speed, so it is possible for the skier to cover the remaining distance in half an hour.

Therefore, the skier can cover the remaining distance in half an hour if they continue to move at the same speed of 200 m/min.

I hope this helps! If you have further questions or need additional assistance, feel free to ask.