A farmer has a ten-acre plot to feed his family. What is the most efficient way to use the plot? Explain why you chose your answer.
Agrow corn and feed it to his family
Bgrow corn and feed it to several cows, using the milk and meat from the cows to feed the family
Agrow corn and feed it to his family
Bgrow corn and feed it to several cows, using the milk and meat from the cows to feed the family