Answer:
8 days
Explanation:
We know
A project should take no more than 60 hours, which means the number of hours should
60 hours.
John can spare 7.5 hours per day to work on the project.
Let x represent the number of days; we have the equation
7.5x
60
x
8
So, the maximum number of days it will take him to finish is 8 days.