Answer: 4,8
Step-by-step explanation:
Without trade Jake consumes 20 pounds of green beans and 80 pounds of corn
Jane consumes 40 pounds of green beans and 40 pounds of corn.
Terms of trade are 1 pound of green beans for 3 pounds of corn.
Jake sells Jane 72 pounds of corn in exchange for
pounds of green beans.
Thus, Jane gains
green beans and
pounds of corn.