Question

когда нурлан прошол 2/5 расстояния от дачи до станции ему нужно было пройти ещё 4 целых 3/10 км до серидины пути. Каково расстояние от дачи до станции?

Answer 1

Если перевести в десятичную дробь, то имеем:
S1=2/5 = 0,4
S2=4 3/10 = 4,3
S=S1+S2=0,4 + 4,3 = 4,7км - расстояние от дачи до станции

Answer 2

Calculation of the Distance from the Dacha to the Station

To calculate the distance from the dacha to the station, we need to consider the information provided in the question. According to the question, Nurlan has already covered 2/5 of the distance from the dacha to the station. He still needs to walk 4 3/10 km to reach the midpoint of the path.

Let's break down the calculation step by step:

1. Calculate the total distance from the dacha to the station: - Since Nurlan has covered 2/5 of the distance, this means he has 3/5 of the distance left to cover. - Let's represent the total distance as x km. - Therefore, the remaining distance is (3/5)x km.

2. Calculate the distance from the dacha to the midpoint of the path: - According to the question, Nurlan still needs to walk 4 3/10 km to reach the midpoint of the path. - Let's represent this distance as y km.

3. Set up an equation to solve for x: - The total distance from the dacha to the station is the sum of the distance Nurlan has already covered and the remaining distance to the midpoint of the path. - Therefore, we can set up the equation: (2/5)x + y = x.

Now, let's solve the equation to find the value of x, which represents the total distance from the dacha to the station.

(2/5)x + y = x

To solve this equation, we need to eliminate the fraction. We can do this by multiplying both sides of the equation by the least common multiple (LCM) of the denominators, which is 5.

5 * (2/5)x + 5 * y = 5 * x

Simplifying the equation:

2x + 5y = 5x

Rearranging the equation:

5y = 5x - 2x

5y = 3x

Dividing both sides of the equation by 3:

y = (3/5)x

Therefore, the distance from the dacha to the station is equal to (3/5)x km.

Please note that we cannot determine the exact value of x or the distance from the dacha to the station without knowing the value of y (the distance from the dacha to the midpoint of the path).