Alice and Bob Ray use cabbages, tomatoes and onions to make two
kinds of relish: chow-chow and tomato. A jar of Chow-chow contains
8 ounces of cabbage, 3 ounces of tomatoes, and 3 ounces of onions.
A jar of tomato relish contains 6 ounces of tomatoes, 6 ounces of
cabbage, and 2 ounces of onions. The Rays have 120 ounces of
cabbages, 90 ounces of tomatoes and 45 ounces of onions each week.
The profit for a jar of chow-chow...