The Prairie Problem Week 1: It is 7 o’clock in the morning. Lunch is served at 12 o’clock. How many hours until lunch time? Leaderboards Primary & Middle School Erin Caspers 10 Matt Gensler 5 Paul Jens 1 Upper School Erin Caspers 10 Matt Gensler 5 Paul Jens 1 Adults Erin Caspers 10 Matt Gensler 5 Paul Jens 1