Abdul wants to record songs that are each 6 minutes long. If he has 20 minutes of recording time, how many songs can Abdul record? A. 1
B. 3
C. 4
D. 6

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. create a question you could ask that could be answered only by graphing or using a logarithm.