minimization problem.
Exercise
1.
A farmer wants to plant coffee and potatoes. Coffee needs 3 men per hectare and potatoes need also 3 men per hectare. He has 48 hired labourers available. To maintain a hectare of coffee he needs 250 shillings while a hectare of potatoes costs him 100 shillings. Find the greatest possible area of land he can sow if he is prepared to use 25,000 shillings.