Answer:
<h2>The number of Starbucks predicted in 2015 is 2697.</h2>
Step-by-step explanation:
There is an increment of 21% on yearly basis.
In 1982, the number of starbucks were 5.
In 1983, the number of starbucks will be
.
In 1984, The number will become
.
In the year of X, the number of starbucks will be
, where t = X - 1982.
In 2015, t = 2015 - 1982 = 33.
The number of starbucks in 2015 is
.