Question

12 people can clean an office building in 3 hours how long would it take by 4 people​

Answer 1

Answer:

this is only the answer hope you like it

Answer 2

Answer:

We need to solve this using fractions.

For 3 men: It is 1 wall divided by 8 hours, which is 1/8.

For 1 man: It is 1/8 divided by 3, which is 1/24.

For 4 men: It is 1/24 multiplied by 4, which is 1/6, = 6 hours.