x of hanging baskets and 2x of flats of bedding plants. The money equation is 18x + 13*(2x) = 8800 dollars, or 18x + 26x = 8800, 44x = 8800 ====> x == 200. They hope to sell 200 of hanging baskets and 2*200 = 400 flats of bedding plants. Answer. 400 flats of bedding plants.