A Petri dish contained 50 bacteria at 8:00am the number of bacteria triples each hour. After what time will there be at least 1,350 bacteria in the Petri dish?
There will be at least 1,350 bacteria in the Petri dish in 3 hours, or at 11:00am. 8:00am: 50 bacteria 9:00am: 150 bacteria 10:00am: 450 bacteria 11:00am: 1350 bacteria