Resource allocation. A coffee manufacturer uses Colombian and Brazilian coffee beans to produce two blends, robust and mild. A pound of the robust blend requires 12 ounces
of Colombian beans and 4 ounces of Brazilian beans. A pound of the mild blend
requires 6 ounces of Colombian beans and 10 ounces of Brazilian beans. Coffee is
shipped in | 11-pound burlap bags. The company has 37 bags of Colombian beans and
38 bags of Brazilian beans on hand. How many pounds of each blend should they
produce in order to use all the available beans?