Answer:
4 hours
Step-by-step explanation:
3 x 12 = 36
36/9 = 4
If you could write out the whole problem exactly how it is, I can solve it for you.
I believe your answer would be 14(6+3x) XD
Answer = 314.2
Area of cyclinder:
Area at base x height
Pi = 3.142
5^2 x 3.142 = 78.55
78.55 x 4 = 314.2