The three lines represent the price, in dollars, of three different brands of chocolate bars. \[\small{2}\] \[\small{4}\] \[\small{6}\] \[\small{8}\] \[\small{10}\] \[\small{20}\] \[\small{30}\] \[\small{40}\] \[\text{Price (dollars)}\] \[\text{Bars}\] \[\blueD{X}\] \[\greenD{Y}\] \[\purpleD{Z}\] Which brand of chocolate bar is the most expensive? Choose 1 answer:
