Question: how to solve lpp by graphical method?
Answer: Step 1: Formulate the LP (Linear programming) problem. ...  Step 2: Construct a graph and plot the constraint lines. ...  Step 3: Determine the valid side of each constraint line. ...  Step 4: Identify the feasible solution region. ...  Step 5: Plot the objective function on the graph. ...  Step 6: Find the optimum point.