Better to do 9 days in 10 or really make it to 4 (longer) days, IMO. Because then you're saving some commuter trips for people who have to be on site. I think

Better to do 9 days in 10 or really make it to 4 (longer) days, IMO. Because then you're saving some commuter trips for people who have to be on site. I think 4x9 as a nominal workweek makes a whole lot of sense. (9 days x 8 hours) / (2 weeks) is almost as good.