human
John uses the bathroom every 50 minutes. How many times does he use the bathroom during a 2.5-hour movie?
assistant
How long is the movie? ** The movie last 2.5*60=<<2.5*60=150>>150 minutes
How many times does John use the bathroom during the movie? ** So he uses the bathroom 150/50=<<150/50=3>>3 times
#### 3