Question

Суботним утром школьники отправились в лес,где собрались изучать жизнь рыжих лесных муравьев.Они прошли 2I5 расстояние от школы до леса за 2 часа,шагая со скоростью 3 км/ч,потом они утроили 15-дцати минутный привал и прошли оставшиеся расстояние с той же скоростью.Сколько времения заняла дорога в лес?

Answer 1

1)сколько прошли до привала?

2*3=6км

2)дорога до леса

6:2*5=15 км 

3)сколько осталось пройти после привала

15-6= 9 км

4)сколько времени шли после привала

9:3=3 часа

5)сколько времени заняла вся дорога(переведём часы в минуты)

120+ 180+15=315 мин=5часов 15 минут

Answer 2

Calculating the Time Taken to Reach the Forest

To calculate the time taken to reach the forest, we need to consider the distance traveled and the speed at which the students were walking.

The students walked a distance of 215 km from the school to the forest. They walked at a speed of 3 km/h for the first part of the journey, which took 2 hours. After a 15-minute break, they continued walking the remaining distance at the same speed.

Let's calculate the time taken for each part of the journey and then add them together to find the total time taken.

1. Time taken for the first part of the journey: - Distance: 215 km - Speed: 3 km/h - Time = Distance / Speed = 215 km / 3 km/h = 71.67 hours

2. Time taken for the break: - Duration: 15 minutes = 0.25 hours

3. Time taken for the second part of the journey: - Distance: Remaining distance after the break (215 km - 71.67 km = 143.33 km) - Speed: 3 km/h - Time = Distance / Speed = 143.33 km / 3 km/h = 47.78 hours

4. Total time taken: - Total time = Time taken for the first part + Time taken for the break + Time taken for the second part - Total time = 71.67 hours + 0.25 hours + 47.78 hours = 119.7 hours

Therefore, the total time taken to reach the forest is approximately 119.7 hours.

Please note that the given information does not provide the exact time units used (hours, minutes, or seconds). I have assumed hours for consistency in the calculations.