1 kilo is approximately 2.2 pounds, so we can divide 30 by 2.2
820=P(1.05)^3
P=708.35
I'm sorry I don't know how explain but that is the answer to the problem; 708.35
The lateral surface area is the lateral surface area
It is simply because school hates kids my guy.
<em>Refer to the attachment!!~</em>

- Here, We have used the Substitution method to solve the system equations.
- Verification is also there!