10 people take 8 days to build a wall. How long will it take 4 people to do the same job?

Question

asked Feb 2, 2022 50.3k views

1 Answer

James Holwell · Answer 1 · 2022-02-08T14:00:43+0000

Answer:

20 days

Explanation:

10 to get to 4 needs to be divided by 2.5 so we do the opposite to the other side since with fewer people it would take longer. (2.5 times longer).

10/2.5 = 4

8x2.5 = 20 days