A corporation has two products: X1 and X2. The profit contribution of X1 is P 50 per
unit and the profit contribution of X2 is P 25 per unit. The company has three
machines that are available for 20, 24, and 18 hours respectively. Product X1 needs
1 hour in machine 1, 3 hours in mahine 2, and 3 hours in machine 3. Product X2
needs 2, 2, and 1 hour in machines 1 – 3 respectively. The company can sell all it
can produce. Find the number of units of X1 and X2 to produce to maximize the
profit contribution.
Please help that's for exam but I don't know how to solve