Driver a travels at a slower rate than driver b. both drivers travel at a constant rate. this table represents driver a. time (h): 0.5 2 3.5 5 number of miles driven: 31.25 125 218.75 312.5 which equation could represent driver b? time in hours is represented by x and number of miles driven is represented by y. select each correct answer. a.) y = 64x b.) y = 66x c.) y = 62x d.) y = 60x