A fruit grower can use two types of fertilizer in his garden, brand P and brand Q. The amounts (in kg) of nitrogen, phosphoric acid, potash, and chlorine m a bag of each brand are given m the table. Tests indicate that the garden needs at least 2

Answer

(a) 40 bags of brand P and 100 bags of brand Q.Min. Amount of nitrogen = 470 kg
140 bags of brand P and 50 bags of brand Q.Max. Amount of nitrogen = 595 kg.