![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The question is "What number is 30% of 130?".
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=84cff20d52988bdcdb9ac32f87c58eac.png\")
(Write the proportion)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=764fa812e2c202109c3210d7b7432820.png\")
(Substitute: 130 for b and 30 for p)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a80cfe96ff2417b779c7e4361d621493.png\")
(Multiply each side by 130)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=df6dcdfc0b7c8c9948ae0a726dd48f89.png\")
(Cancel common terms)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=aca34c9f8ba4ff4916f229948e7b6ee3.png\")
(Simplify: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fc1a9f44299475d171b38073b0c0e496.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
30% of 130 is 39.