A certain triathlon consists of a 2.2 mile swim, a 108 mile bicycle ride, and a 25.4 mile run. At one point, a participant had completed twice as many miles as the number of miles left to complete. How many miles had he completed at that mark?
The participnt is 2/3 through
2/3 ( 2.2 +108 + 25.4) = you can do the calc