Answer:
2.56
Step-by-step explanation:
Answer: 9
Step-by-step explanation:
Formula : Mean = 
Given: 5 students participated in a push-up competition.
The amount of push-ups each student completed is listed: 12, 7, 10, 11,5.
Mean = 

Hence, the mean number of push-ups = 9
Divide the hours by the walls, and you’ll have hours per wall.
(1 1/2) / (2/3)
= (1 1/2) * (3/2)
= (3/2) * (3/2)
= 9/4
He paints at 9/4 hours per wall.
The 8 since u can't divide 3 or 33 by 47 so u have to divide by 338 first
The diameter of under the magnifying glasses is 6cm, so the actual size is 6÷5cm, the diameter is 1.2 cm