In a sports complex, the average daily swimming time for a group of 45 members is 90 minutes, the average daily running time for a group of 30 members is 60 minutes, and the average daily yoga time for a group of 25 members is 75 minutes. If all three groups are combined, what is the average daily workout time for all 100 members in the sports complex?
1
76.50 minutes
2
78.25 minutes
3
77.25 minutes
4
76.25 minutes