The no of units per kg of two vitamins (A, B) present in two type of food G and P are shown in the table below.
Food. vitaminA B
G 2 1
A patient p is allowed to take up to a maximum of 19units of vitamin A and 17 units of vitamin B. 18 the patient p consumes xkg of food G and y kg of food Q write down four inequalities undiving x and y.
If $50 per kg is saved in preparing food G and $90per kg is saved in preparing food Q. find how much of each type of food the patient p can take in order to save the greatest amount.