\
The sentence is five times the sum of 9 and a number.
Let n be the number.
The word “sum” indicates the symbol “+”
The word “times” indicates multiplication.
Rewrite the sentence into expression as, \ \
The algebraic expression is .
![\"\"](\"http://c4anything.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"http://c4anything.com/userfiles/image/steps_images/step2.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c1e9d24fcc082ae9a75d7ae5c1f5f013.png\")
![\"http://c4anything.com/userfiles/image/steps_images/solution.JPG\"](\"http://c4anything.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b3b013cd57165ce535c6d5733e95e61c.png\")
.