Acompany manufactures and sells mini-recorders. a survey of office supply stores indicated that at a price of $82 each, the demand would be four hundred recorders, and at a price of $32 each, the demand would be fourteen hundred recorders. if a linear relationship between price and demand exists, which of the following equations models the price-demand relationship?

(let x represent the price per mini-recorder and y represent the demand in hundreds.)