Seven pounds of grapes cost $ 10.43 how much would 3 pounds cost

94. 7 pounds of grapes costs 10.43 dollars. Now, solve for the costs of 3 pounds of grapes. There are different ways to solve this kind of situation. For my end, I will be showing the solution that I think is easier. = > 7 pounds = 10.43 dollars. Find the unit rate first = > 10.43 dollars / 7 = 1.49 dollars per pounds. Now, solve for the cost of 3 pounds = > 1.49 * 3 = 4.47 dollars is the costs of 3 pounds of grapes.