Question

За 3 тижні відремонтували 58 км. дороги.За перший тиждень відремонтували в 3 рази більше , ніж за третій, а за 2 тиждень-на 8 км. більше , ніж за третій , Скільки кілометрів дороги відремонтували за третій тиждень ?

Answer 1

Подумай ета задача очень льогкая 

Answer 2

Calculation of Road Repair Progress

To calculate the number of kilometers of road repaired in the third week, we need to analyze the information provided.

According to the given information: - In the first week, three times more road was repaired compared to the third week. - In the second week, eight kilometers more road was repaired compared to the third week. - In total, 58 kilometers of road were repaired in three weeks.

Let's break down the information step by step:

1. In the first week, three times more road was repaired compared to the third week. Let's assume the distance repaired in the third week is represented by x kilometers. Therefore, the distance repaired in the first week would be 3x kilometers.

2. In the second week, eight kilometers more road was repaired compared to the third week. So, the distance repaired in the second week would be x + 8 kilometers.

3. In total, 58 kilometers of road were repaired in three weeks. Therefore, the sum of the distances repaired in each week should equal 58 kilometers:

3x + (x + 8) + x = 58

Now, let's solve the equation to find the value of x and determine the distance repaired in the third week.

Solving the Equation

3x + (x + 8) + x = 58

Combining like terms:

5x + 8 = 58

Subtracting 8 from both sides:

5x = 50

Dividing both sides by 5:

x = 10

Therefore, the distance repaired in the third week is 10 kilometers.

Answer

The road repair progress for the third week is 10 kilometers.