Gina can buy a 5-pound bag of apples that cost $4.50, or she can buy them by the pound for $0.85 or pound. which of these best explains the least expensive way for gino buy 5 pounds of apples? a. gina should buy the bag of apples for $4.50 because the unit price per pound is less than the by-the-pound price b. gina should buy the bag of apples for $4.50 because the unit price per pound is greater than the by-the-pound-price c. gina should buy apples by the pound because the unit price per pound for the bag of apples is less than the by-the-pound-price d. gina should buy apples by the pound because the unit price per pound for the bag of apples is greater than the by-the-pound price