Question

Два катера отошли одновременно от двух причалов навстречу друг другу. Скорость одного катера 20 км/ч, а другого - 18 км/ч. Найди расстояние между причалами, если катера встретились через 3 часа. Помогите решить пожалуйста.

Answer 1

1)20+18=38(км)-скорость сближения
2)38•3=114(км)
Ответ: 114 км растояние между причалами

Answer 2

1) 20 × 3 = 60 ( км )
2) 18 × 3 = 54 ( км )
3) 60 + 54 = 144 ( км ) - расстояние между катерами
Ответ : 144 км между причалами

Answer 3

Problem Analysis

We are given two boats that start simultaneously from two different docks and travel towards each other. The speed of one boat is 20 km/h, and the speed of the other boat is 18 km/h. We need to find the distance between the two docks if the boats meet after 3 hours.

Solution

To solve this problem, we can use the formula:

Distance = Speed × Time

Let's calculate the distance traveled by each boat and then find the total distance between the docks.

1. The first boat travels at a speed of 20 km/h for 3 hours: - Distance traveled by the first boat = 20 km/h × 3 hours = 60 km

2. The second boat travels at a speed of 18 km/h for 3 hours: - Distance traveled by the second boat = 18 km/h × 3 hours = 54 km

3. The total distance between the docks is the sum of the distances traveled by each boat: - Total distance = Distance traveled by the first boat + Distance traveled by the second boat - Total distance = 60 km + 54 km = 114 km

Therefore, the distance between the docks is 114 km.

Answer

The distance between the two docks is 114 km.

Please let me know if you need any further assistance.