8) 27

Number of surgery sessions a week: 8.5
Mins per surgery session: 140
Time spent in surgery per week: 140×8.5 = 1190
Time spent in home visits per week: 408
Total: 408 + 1190 = 1598

1598 is approximately 1600 mins
1600/60 = 26.6 hours
26.6 is approximately 27 hours

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