Question

Ребят срочно !!! Расстояние между двумя станциями поезд прошёл за 3 часа.За первый час он прошёл за 7/24 всего пути ,за второй час он прошёл за 5/18 всего пути. какую часть пути прошёл поезд за третий час?

Answer 1

7/24+5/18=21/72+20/72=41/72 проехал поезд за первый два часа
1-41/72=72/72-41/72=31/72 часть пути проехал за 3 час

Answer 2

Calculation of the Train's Distance and the Portion Covered in the Third Hour

To calculate the portion of the train's distance covered in the third hour, we need to determine the total distance traveled by the train and the distances covered in the first two hours.

Let's denote the total distance traveled by the train as D.

According to the given information: - In the first hour, the train covered 7/24 of the total distance. - In the second hour, the train covered 5/18 of the total distance.

To find the total distance, we can set up the following equation:

7/24 * D + 5/18 * D = D

Simplifying the equation, we get:

7/24 + 5/18 = 1

This equation shows that the sum of the fractions of the distance covered in the first and second hours is equal to the total distance.

Therefore, the train covered the entire distance in the first two hours, and there is no distance left to cover in the third hour.

Thus, the portion of the train's distance covered in the third hour is 0.