Answer:
Total: $420 (growth of $120)
Step-by-step explanation:
Multiply $300 by 0.025 (2.5%) which is equal to 7.5. Then multiply that by 16 months which gives you $120 added to your $300.
A. Grow wheat in the sunshine, instead of the shade, or make sure that the wheat in the shade gets light.
B. This would overcome the problem of the slugs eating the wheat.
C. Yes, it would.
The answer to your question is K=11.
I will answer if u post the ?s in a coment