Final answer:
Approximately 0.1111 acres can be planted for every pound of seed.
Step-by-step explanation:
To find out how many acres can be planted per pound of seed, we can divide the total number of acres by the pounds of seed. In this case, we divide 9 acres by 81 pounds of seed.
So, the calculation would be: 9 acres / 81 pounds = 0.1111 acres per pound.
Therefore, approximately 0.1111 acres can be planted for every pound of seed.
Learn more about planting acres per pound of seed