Answer: 1.3
Explanation:
So if there are 6 people the first time to complete the job, then there are 2 . we need to divided the 6 by 2 to find out how many days it takes, so it is 3. We divided the 4 days by 3 and we get 1.3 so it takes 1.3 days for 2 people to complete the job.