1. "Phew, that's heavy," said George, putting down the big box he had brought in. "Some klibbets from Kalota. Dellers have just received a shipment of them." Judy smiled. "They should be good. How many did you get?" "Twenty in all, at three prices, 19.97 pounds, 6.49 pounds and 3.29 pounds," George replied. "121.56 pounds the lot, and they're well worth it." How many had he bought at each price?