how to find this answer?

9. Please count the number of FTEs based on the following information: Cuong works 20 hours per week. Yaocheng only works evenings 3 days a week, for 6 hours per shift. Lynette works 40 hours per week. David works 4 hours per week (and very slowly). Maribel works on weekends 16 hours per week. Taylor (P)works 4 hours on Thursdays, 6 hours on Sundays, and 6 hours on Mondays. What is my FTE: 114/40 = 2.85