Answer:
2 hours (I know I'm late but I like to answer things TvT)
Explanation:
2 hours can be converted into 120 minutes (60 mins in an hour, 60 x 2 = 120)
120 minutes plus the half hour (30 mins) equals 150 minutes.
150 minutes minus 30 minutes equals 120 minutes, so 2 hours is your answer.