She watches 30 minutes of tv per night, 5 days a week so that's 30*5 = <<30*5=150>>150 minutes of tv
She watches 2 hours of tv on the weekends and 60 minutes are in 1 hour so that's 2*60 = <<2*60=120>>120 minutes of tv
All total she watches 150+120 = <<150+120=270>>270 minutes of tv per week
There are 52 weeks in a year and she watches 270 minutes per week so that's 52*270 = <<52*270=14040>>14,040 minutes of tv per year
She watches 14,040 minutes of tv and 60 minutes are in an hour so she watches 14040/60 = <<14040/60=234>>234 hours
#### 234