Question

see the file attached below

Answer 1

Answer:

I think it's 3

Step-by-step explanation:

So, if you need 12 workers to complete the job in 60 days, u can write it as 12/60. You can simplify it to 6/30 and then 3/15. 3/15 can be thought as u need 3 workers to complete a job in 15 days. So, adding 3 workers would cut 15 days off of 60 days. hope this helps

Answer 2

Answer:

This is your required answer.