Question

18 worker can build a wall in 26 hour, how many workers will be required to do the same work in 13 hours?

Answer 1

Answer:

36 hrs

Step-by-step explanation:

18 workers can built the wall in 26hrs

Therefore, 1 worker can built the wall in 26×18 hrs

Therefore, 13 workers can built the wall in 26×18/13 hrs =36 hrs

Answer 2

Answer:

9 workers required

Step-by-step explanation:

18 works build wall in 26 hours

x workers build wall in 13hours

workers hours

18 - 26

X - 13

When cross multiply

18×13

26

we get 9

so answer is 9