A 3-pound bag of apples costs $5.25. What is the unit price of a pound of apples? $1.25 $1.75 $2.25 $2.75 per pound At this rate, how many pounds of apples can be purchased for $17.50? 8 9 10 11 pounds of apples Let x represent the number of pounds of apples and y the total cost of the apples. What is the equation that represents the direct variation between the total cost of the apples and the number of pounds of apples? y = 1.25xy = 1.75xy = 2.25xy = 2.75x