A certain motorcycle manufacturer has been building motorcycles for 100 years. Over that period, production h?

**HELP!** A certain motorcycle manufacturer has been building motorcycles for 100 years. Over that period, production has increased steadily at an annual rate of 3%, so that the production rate, in motorcycles/year, after t years was r(t)=Aâ‹…1.03^t where A is a constant representing the initial production rate. What fraction of their total production was built during the last 7 years? Your answer should be a number between 0 and 1.