You are in charge of ordering water to sell at the Duluth Fall Festival. Based on the temperature and the sales of water bottles in the past, you've derived a line of best fit to be y = 30x - 1875, where x is high temperature for Saturday and y is the number of water bottles sold. The high this year is predicted to be 89º. How many cases of water bottles should you order if each case has 100 bottles? A:800
B:795
C:8
D:7​