The total amount spending by the tourists in a resort city is
.
Amount spent in the first year is
.
Amount spent in the second year is
.
Amount spent in the third year is
.
Amount spent in the
year is
.
This is the geomentric series.
\Theorem 9.6: Convergence of a geomentric series :
\A geomentric series with ratio
diverges if
, then series converges to the sum
.
The geomentric series is
.

The geomentric series that represents total amount spending by generated by
\
is
.
The sum of the series is
.
The geomentric series is
.
The sum of the series is
.