Question

Из одного и того же посёлка одновременно выехали в противоположных направлениях автомашина и автобус.Автобус шёл со скоростью 50 км/ч,а автомашина-80 км/ч.Через сколько часов расстояние между автобусом и автомашиной будет 520 км/ч?

Answer 1

50плюс80равно 130 км ч общая скорость 520:130равно 4 часа

Answer 2

1)50*4=200(км) проедет 1-ая машина 
2)520:130=через 4часа расстояние между автобусом и автомашиной будет 520 км/ч

Answer 3

Problem Analysis

We are given that a car and a bus leave a village simultaneously in opposite directions. The bus is traveling at a speed of 50 km/h, while the car is traveling at a speed of 80 km/h. We need to determine how many hours it will take for the distance between the bus and the car to be 520 km.

Solution

To solve this problem, we can use the formula: distance = speed × time.

Let's assume that after t hours, the distance between the bus and the car will be 520 km.

The distance traveled by the bus in t hours can be calculated as 50t km, and the distance traveled by the car in t hours can be calculated as 80t km.

According to the problem, the sum of the distances traveled by the bus and the car should be equal to 520 km. Therefore, we can write the equation:

50t + 80t = 520

Simplifying the equation, we get:

130t = 520

Dividing both sides of the equation by 130, we find:

t = 4

Therefore, it will take 4 hours for the distance between the bus and the car to be 520 km.

Answer

It will take 4 hours for the distance between the bus and the car to be 520 km/h.