Question

ИЗ ОДНОЙ ДЕРЕВНИ ОДНОВРЕМЕННО В ПРОТИВОПОЛОЖНЫХ НАПРАВЛЕНИЯХ ВЫШЛИ ДВА ПЕШЕХОДА.СКОРОСТЬ ОДНОГО-6КМ/Ч,ДРУГОГО-5 КМ/Ч.КАКОЕ РАССТОЯНИЕ БУДЕТ МЕЖДУ НИМИ КОГДА ПЕРВЫЙ ПРОЙДЕТ 18 КМ

Answer 1

1)18*6=108(км) 
2)5*18=90(км)
108-90=18(км)
ответ: 18 км растояние между ними.

Answer 2

Calculating the Distance Between Two Pedestrians

To calculate the distance between the two pedestrians when the first one has walked 18 km, we can use the formula:

Distance = Speed × Time

Given: - Speed of the first pedestrian = 6 km/h - Speed of the second pedestrian = 5 km/h - Time taken by the first pedestrian to walk 18 km = ?

Calculating the Time Taken by the First Pedestrian

To calculate the time taken by the first pedestrian to walk 18 km, we can use the formula:

Time = Distance / Speed

Using the given speed of the first pedestrian (6 km/h), we can calculate the time taken:

Time = 18 km / 6 km/h

The time taken by the first pedestrian to walk 18 km is 3 hours.

Calculating the Distance Traveled by the Second Pedestrian

Now that we know the time taken by the first pedestrian, we can calculate the distance traveled by the second pedestrian during this time.

Distance = Speed × Time

Using the speed of the second pedestrian (5 km/h) and the time (3 hours), we can calculate the distance traveled by the second pedestrian:

Distance = 5 km/h × 3 h

The distance traveled by the second pedestrian in 3 hours is 15 km.

Calculating the Distance Between the Two Pedestrians

Finally, to find the distance between the two pedestrians when the first one has walked 18 km, we can subtract the distance traveled by the second pedestrian from the total distance walked by the first pedestrian.

Distance between the pedestrians = Distance walked by the first pedestrian - Distance traveled by the second pedestrian

Distance between the pedestrians = 18 km - 15 km

Distance between the pedestrians = 3 km

Therefore, when the first pedestrian has walked 18 km, the distance between the two pedestrians will be 3 kilometers.