It is not a true biconditional.
Answer:
Let's find unit price. 7.38 / 2 = 3.69 and 9.57 / 3 = 3.19. Since 3.19 < 3.69 the better buy is 9.57 for 3 pounds.
1 inch = 400 miles The scale gives the relationship between the measurements of the drawing or model and the measurements of the real object.
