He would have sanded 30 for 30 hours
22 years.
38+22=60
8+22=30
60 divided by 2 = 30
Answer:
60/80= 0.75
75%
if you are satisfied with my answer, please mark brainliest :D
Step-by-step explanation:
Answer:
13.9
Step-by-step explanation:
To find the mean, add the two numbers and divide by two.
(13.9+13.9)/2=13.9
