![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The map distance is 32 inches.
\A map has a scale of 1 inch : 40 miles.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1deddf610f198ba3a2ae3ea329b0af97.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ae595c69b2cd79b91ca3503a18d99cad.png\")
(Cross products property)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8543287abc3b692bddae80d93203a171.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b89d52eadf6922368945edce1a804bf4.png\")
)
The actual distance is 1280 miles.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The actual distance is 1280 miles.
\