M 250 200 The equation above gives the numbers of miles M a tribe still has to travel before reaching its destination, where d is the number of days it has been since the tribe first left. What is the meaning of 250 in the equation? А The tribe must travel for 250 days. B The tribe must travel 250 miles every day. © The tribe traveled 250 miles the first day. D The destination is 250 miles from the initial location.