Alyssa can paint the room by herself in 2 hours, bryce can paint the room in 3 hours, and chris can paint the room in 4 hours. how long will it take to paint the entire room if they worked together?

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.