john and brian work for a toy manufacturers putting stuffing in teddy bears. On average, john can stuff x teddy bears in one day and brian can stuff y in one day. They both the same number of days,t. What does the expression (x +y)t represent? A. the number of teddy bears John can stuff in t days B.the number of teddy bears Brian can stuff in t days C. the number of teddy bears John and Brian can stuff in t days D.the number of teddy bears John and Brian can stuff in one day