Task: Question Answering
Input (English): Problem: a technician makes a round - trip to and from a certain service center by the same route . if the technician completes the drive to the center and then completes 80 percent of the drive from the center , what percent of the round - trip has the technician completed ? 
Options: a ) 50 , b ) 60 , c ) 70 , d ) 80 , e ) 90
Output (English): e