Answer:
5 pounds of taffy for Isabel and 1 pound of taffy for Ramona.
Explanation:
In an eight-hour day, Isabel can produce 15 pounds of taffy or 3 pounds of chocolate chip cookies.


x = 5
In an eight-hour day, Ramona can produce 6 pounds of taffy or 6 pounds of chocolate chip cookies.


x = 1
Hence, the opportunity cost of producing 1 pound of chocolate chip cookies is: 5 pounds of taffy for Isabel and 1 pound of taffy for Ramona.