Answer:

Step-by-step explanation:
Circumference of the column 
Circumference of a circle
Therefore:

Area of a Circle 
Since radius of the cross section of the column =9 meters
Area of the cross section of the column

Answer
101 apples
Step-by-step explanation:
8 lbs x 16 oz = 128 oz
$28 / 128 oz = 22¢ per oz
$112 / 0.22¢ = 509 oz
509 oz / 5 oz = 101.8 apples
Because if there is no more supplies for the sale, the sale can't apply to nothing!