Question

5 people can paint a wall in 5 hours. In how many hours can 3 people paint the same wall?​

Answer 1

3 people can paint the wall in 8⅓ hours.

Given : 5 people can paint a wall in 5 hours.

To find : Time taken by 3 people to paint the same wall.

Solution :

We can simply solve this mathematical problem by using the following mathematical process. (our goal is to calculate the time taken by 3 people)

Here, we will be using general arithmetic method.

So,

5 people can paint the wall in = 5 hours

1 people can paint the wall in = (5×5) hours

3 people can paint the wall in = (5×5)/3 = 8⅓ hours

(This will be considered as the final result.)

Hence, 3 people can paint the wall in 8⅓ hours.