Agroup of 9 workers was assigned to paint the walls in a house, which could be completed in 48 hours. however, after working 8 hours, some of the workers left the group and the remaining workers could complete the job in 72 hours. how many workers left the team?

4 workers

Step-by-step explanation:

A group of 9 workers was assigned to paint the walls in a house, which could be completed in 48 hours. Then 1 worker will complete the whole job in hours.

If 1 worker completes the whole work in 432 hours, then he completes of the work per hour.

9 workers complete of work per hour and complete of work in 8 hours.

of work left.

This could be completed by n workers in 72 hours, so

9 - 5 = 4 workers left the team.

answer: a.   one is a factor of every whole number since every number is divisible by itself.