![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
A coffee shop owner wants to open a second shop when his daily customer average reaches ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9c56d840bb966889c9d4ee54296bbb01.png\")
people.
He has calculated the daily customer average in the table below for each month since he has opened.
\Observe the table:
\The common difference of the daily customer averages is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0cfb2ee009172f8777bf04459ff182cc.png\")
.
Add the number of months to customer averages is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0cfb2ee009172f8777bf04459ff182cc.png\")
then coffee shop ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9f9e22db96595ac2fb7640b4a70b8107.png\")
peoples in ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=978c329e4ed31f4a539c92e652f1fa05.png\")
month.
Therefore, the average number of customer reaches to ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9c56d840bb966889c9d4ee54296bbb01.png\")
in ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=978c329e4ed31f4a539c92e652f1fa05.png\")
months.
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
When month is average peoples are .