A new bag for Samantha has a price of $41.50. Since there is no PST on children’s items, the only tax she has to pay is 5% GST. Approximately how much GST does she need to pay, rounded to the nearest dollar

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.