The profit from crops X and Y per hectare are
estimated as Rs 10,500 and Rs 9,000 respectively To control weeds, a liquid herbicide
has to be used for crops X and Y at rates of 20 litres and 10 litres per hectare Further,
no more than 800 litres of herbicide should be used in order to protect fish and wild life
using a pond which collects drainage from this land How much land should be allocated
to each crop so as to maximise the total profit of the society