In 1992, only 275 people owned cellphones in metropolis. Each year, cell phone use has continuously grown by 82%. How many cellphone users were there in 2000?
This is an exponential equation problem. We have a starting value and a rate of increase. If we plug in the numbers, we just have to evaluate the expression. We will use 8 for the number of years from 1992 to 2000.
