Please i need some help with this....?

Question

How long will it take 9 workers to complete a task, given that 6 workers can complete the same task in 12 days?

Answer 1

my instinct is to say 8 days given all other factors are unaffected.  

Answer 2

Multiply the number of workers by the number of days to find out how man worker-days are required to do the job.

workers x days = worker-days

Divide by 9 to find out how many days it will take 9 workers to do the job.

worker-days / workers = days

Answer 3

If you use an inverse proportion to solve this, the answer would be 4 1/2 days--but I'm not totally sure that's how to do it.

Answer 4

6/1/12 =9/1/x

72=9x

x=8

8 days

inversely proportional method