At Steve�s Fruit Stand, 2 pounds of bananas, 7 pounds of apples, and 3 pounds of grapes cost $17.20. Seven pounds of bananas, 2 pounds of apples, and 6 pounds of grapes cost $15.20. Seven pounds of bananas, 4 pounds of apples, and 1 pound of grapes cost $9.50. Find the price per pound of each kind of fruit. Round your answer to nearest cent if necessary.