9. Percents combine in strange ways that don't seem to make sense at first. It would seem that if a population
grows by 5% per year for 10 years, then it should grow in total by 50% over a decade. But this isn't true.
Start with a population of 100. If it grows at 5% per year for 10 years, what is its population after 10 years?
What percent growth does this represent?
