The Town of West Podunk Is Shaped Like a Rectangle $P ( x , y ) = e ^ { - 0.1 ( x + y ) }$

Short Answer

The town of West Podunk is shaped like a rectangle 80 miles from west to east and 90 miles from north to south (see the figure). It has a population density of
$P ( x , y ) = e ^ { - 0.1 ( x + y ) }$
hundred people per square mile x miles east and y miles north of the southwest corner of town. What is the total population of the town


Please enter your answer as a number without the units.