![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The map distance is 5 inches.
\A map has a scale of 1 inch : 40 miles.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=631ad02d6820ead9dcb2585410be956b.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e8f9c885db3ccb9f57f811f02d02e3bc.png\")
(Cross products property)
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9133389aa92f55a160607e4b6293cd4f.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e534de30d79c0380fca820a95b3ce9e9.png\")
)
The actual distance is 200 miles.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The actual distance is 200 miles.
\