![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
\
Let “n” represents total number of pages
\Write a verbal expression for the current situation
\![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b3199290de5a3ea84dd8c4990fdb0fb6.png\")
\ \
Substitute;
\Numbers of pages left to read = 5 and Numbers of pages read = p
\The algebraic expression is ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=abb4c4478b122e723d8d74e736f0f0dd.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
Total number of pages in the article is ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1aa7b27195b0c2234a7501b1ade6c9bd.png\")
.