DEMAND CURVE GRAPH TUTORIAL

example showing how to make the demand curve graph

take the scale as y axis 1 div =1 unit and x axis  1 div = 1 unit
 TAKE A LOOK FOR SALT(DEMAND SCHEDULE GIVEN PREVIOUSLY)

PRICE          QD
40                 100
50                  80
60                  72
70                  66
80                  60

THE DEMAND CURVE WILL BE

BY THIS METHOD YOU CAN MAKE THE OTHER GRAPHS