Answer:
2n+20
Step-by-step explanation:
Twice a number = 2 x n (2n)
20 more than = +20
Altogether its 2n+20
x>5
2255.31 cu.m
Volume of a cylinder = πr²h
Given radius r = 6.5m
Height h = 17m
Volume = π × 6.5²×17
Volume = 3.14×6.5²×17
Volume of the cylinder = 2255.31cu.m
