During fall registration, the student government association sold hot dogs, chips and soft drinks to raise money for a scholarship fund. On Wednesday, they sold 73 hot dogs, 46 bags of chips and 64 soft drinks; total receipts that day were $231.25. On Thursday, they sold 67 hot dogs, 52 bags of chips and 59 soft drinks; total receipts that day were $219.80. On Friday, they sold 51 hot dogs, 44 bags of chips and 65 soft drinks; total receipts that day were $187.70. How much did each hot dog, bag of chips and soft drink sell for?