30 chris and bethany are each hosting a lemonade stand. at noon, bethany challenges chris to see who can sell the most cups of lemonade that day. the table shows the total number of cups of lemonade chris sold at the end of each remaining hour of his sale. the equation y = 4x + 5 shows the number of cups of lemonade bethany sold for the remaining hours of her sale, with y representing the number of cups sold and x representing the time in hours. which statements about the lemonade stands are true? select each correct answer. a. beginning at noon chris sold 7 cups of lemonade each hour. b. chris had sold 7 cups of lemonade when the challenge started at noon. c. beginning at noon bethany sold 4 cups of lemonade each hour. d. bethany had sold more cups of lemonade than chris at noon.