We need the values to help you, but I think I can get you started.
Step-by-step explanation:
To find the volume of a cylinder, you find the area of the base, then multiply by height. The formula is v=(πr²)(h), pi times the radius squared, times height. Plug in your values, and you should be good to go.
To determine the number of days that an employee work in a week, we simply use dimensional analysis and multiplying the number of works per week with the number of weeks in total for a year. That is, employee works = (5 days per week)(49 weeks per year) =245 days