Question

13 робітників виконують роботу за 36 днів.Скільки потрібно робітників щоб виконати ту ж саму роботу за 26 днів?РІШИТИ ПРОПОРЦІЯМИ.20 БАЛІВ

Answer 1

Ответ:

потребуется 18 работников

Пошаговое объяснение:

13 работников-36 дней

Х работников- 26 дней

это обратная пропорциональность(чем больше работников,тем меньше дней работать)

13:Х=26:36

26х=13*36

х=13*36:26

х=18 работников

Answer 2

To solve this problem using proportions, we can set up the following equation:

Number of workers × Number of days = Constant

Let's denote the number of workers needed to complete the job in 26 days as "x". We can set up the proportion as follows:

13 workers × 36 days = x workers × 26 days

To solve for "x", we can cross-multiply and then divide:

13 × 36 = x × 26

468 = 26x

Dividing both sides of the equation by 26, we find:

x = 468 / 26

Simplifying the expression, we get:

x = 18

Therefore, to complete the same job in 26 days, you would need 18 workers.

Please note that this solution assumes that the amount of work each worker can do in a day remains constant.