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 1212

ounces of Colombian beans and 44

ounces of Brazilian beans. A pound of the mild blend requires 66

ounces of Colombian beans and 1010

ounces of Brazilian beans. Coffee is shipped in 128128-pound

burlap bags. The company has 3939

bags of Colombian beans and 3434

bags of Brazilian beans on hand. How many pounds of each blend should they produce in order to use all the available beans?