Question

Трое рабочих выполняют одну и туже работу первый и второй могли бы окончить эту работу за 6 дней первый и третий за 8 дней второй и третий за 12 дней.за сколько времени они все втроем окончат работу?

Answer 1

6+2+4 =12 дней, им понадобится

Answer 2

Problem Analysis

We are given that three workers are performing the same task. The first and second workers can complete the task in 6 days, the first and third workers can complete it in 8 days, and the second and third workers can complete it in 12 days. We need to determine how long it will take for all three workers to complete the task together.

Solution

Let's assume that the efficiency of the first worker is x units of work per day, the efficiency of the second worker is y units of work per day, and