Eli runs 2 miles on his first day of training for a road race. The next day, he increases his distance run by 0.25 miles. The day after that, he increases his distance run by another 0.25 miles, and so on. What is the total number of miles Eli runs over the course of 12 days? 39.5 mi 40.25 mi 40.5 mi 42.75 mi