Answer:
80
Step-by-step explanation:
8
8^2=64 8*5=40 64-40=24
8 5/6 -> 8.839 -> 177/20 -> 8.99
8 5/6 = 8.333
8.839
177/20 = 8.85
8.99
2 hours and 45 min
Explanation:
3 hours+30 minutes
subtract 30
3 hours
subtract 15