Proportion of ingredients of bran-enriched flour blends based on linear programming

IngredientsControl (%)F1 (%)F2 (%)F3 (%)F4 (%)
White wheat flour100.065.764.755.356.2
Corn bran-34.334.334.334.2
Sweet potato flour---9.49.6
Sorghum bran--1.01.0-

F1: formulated flour 1; F2: formulated flour 2; F3: formulated flour 3; F4: formulated flour 4