Question

Паша и Саша идут навстречу друг другу а собачка Жучка пробегает 400 м. Какое расстояние пробежит Жучка если скорость Паши-3 км/ч а Саша-4 км/ч они встретится через 3 минуты.

Answer 1

1 3×3=9км идёт паша 2 4×3=12км идёт саша 9+12=21 км идут оба

Answer 2

Calculation of the Distance Covered by the Dog "Жучка"

To calculate the distance covered by the dog "Жучка," we need to determine the time it takes for Pasha and Sasha to meet. We are given that Pasha's speed is 3 km/h and Sasha's speed is 4 km/h. They will meet after 3 minutes.

First, let's convert the time from minutes to hours: - 3 minutes = 3/60 = 0.05 hours

Next, we can calculate the distance covered by Pasha and Sasha separately using the formula:

Distance = Speed × Time

For Pasha: - Distance covered by Pasha = 3 km/h × 0.05 h = 0.15 km

For Sasha: - Distance covered by Sasha = 4 km/h × 0.05 h = 0.2 km

Since they are moving towards each other, the total distance covered by both Pasha and Sasha is the sum of their individual distances:

Total distance covered = Distance covered by Pasha + Distance covered by Sasha - Total distance covered = 0.15 km + 0.2 km = 0.35 km

Therefore, the dog "Жучка" will cover a distance of 0.35 km before Pasha and Sasha meet.