The Total solution for NCERT class 6-12
A fruitgrower can use two types of fertilizer in his garden, brand P and Q. Theamounts (in kg) of nitrogen, acid potash and chlorine in a bag of each brandare given in the Tests indicate that the garden needs at least 240 kg ofphosphoric acid, at least 270 kg of potash and at most 310 kg of chlorine.
Kg per bag
Brand P
Brand Q
Nitrogen
3
3.5
Phosphoric acid
1
2
Potash
1.5
Chlorine
If thegrower wants to minimize the amount of nitrogen added to the garden, how manybags of each brand should be used? What is the minimum amount of nitrogen addedin the garden?