\
The situation is “a salary increase of $250.
The word increase indicates positive, the symbol is “+”
Locate the integer “$250” on the number line.
The graph is,
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"number](\"/userfiles/image/Library/Pre_Algebra/number_line_diagram_a_equal_250.gif\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")