Answer: 2 hours and 45 minutes
Explanation:
162.50-54= 108.50
108.50 divided by 15.50= 7
there were 7 additional 15 minutes
7 x 15= 105
105 minutes is 1 hour and 45 minutes
add the first hour to the 1 hour and 45 minutes
answer is 2 hours and 45 minutes