Volume (V) of a cylinder is the area of circular base (pi×r^2) times it's length/height (h):

h = 20.5 ft
diameter (d) = 1 1/5 × h, 1 1/5 = 6/5 = 1.20
d = 1.20 × 20.5 = 24.6 ft
radius (r) = 1/2 d = 24.6/2 = 12.3 ft
Answer:
$47
Step-by-step explanation:
$9 x 3 adults is 27
$5 x 4 students is 20
When added it is $47
Answer:

Step-by-step explanation:






Answer:
-3v
Step-by-step explanation:
-6v is a negative when 3v is positive
when you add 3v to -6v it equals -3v since 6 is greater