A 3-pound bag of apples costs $5.25. What is the unit price of a pound of apples? | per pound | At this rate, how many pounds of apples can be purchased for $17.50? | 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?
The price per pound is $5.25 ÷ 3 = $1.75. In a direct variation, total cost y equals the unit price multiplied by the number of pounds x, so y = 1.75x. Therefore, the correct choice is y = 1.75x.
AI-written and checked against the verified answer.