Side-by-Side Inelastic demand curve Alter the graph in order to answer the following questions. Macmillan Learning Using the units in the graph, if a business drops their price by 50 cents (from $3 to $2.50), approximately how many more units will be sold if the demand Elastic demand c curve is elastic compared to the demand curve that is inelastic? 1 billion 1.5 billion O Quantity of gas 0.5 billion (billions of gallons per week 1.25 billion