Mark and Susan are both selling raffle tickets at a basketball tournament. The table shows the total number of raffle tickets Susan sold at different times of the day. Time Total Number of Raffle Tickets 10:00 A. M. 10 12:00 P. M. 30 2:00 P. M. 50 Mark uses the equation below to show the number of tickets, t, he has sold after h hours. t = 20h A. The rate that Mark sells tickets is half the rate that Susan sells tickets. B. The rate that Mark sells tickets is double the rate that Susan sells tickets. C. The rate that Mark sells tickets is 10 times the rate that Susan sells tickets. D. Mark and Susan sell tickets at the same rate.