There is a bag of sugar in the storage room. The bag contained 4/5 kilograms of sugar. The chef filled up an
empty can with 3/10 kilogram of sugar and then used 3/20 of
a kilogram of sugar for a cake. How much sugar was
left in the bag?

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.