If the national economy shrank at an annual rate of 5% per year for four consecutive years, then the economy shrank by 20% over the four-year period.

In 1995 america online had about 3000000 users over the next decade users are expected to increase from a few million to the tens of millions suppose the number of users increased by 150% by the year 2000 how many users will there be in the year 2000