![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
Let x be the weight of one person.
\The weight of 20 persons is 20x lb.
\The weight of furniture is 250 lb.
\The maximum capacity of the porch is 3750 lb.
\Therefore, the above situation represent the equation is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5e9594ba2f388b0864632193d62fcd99.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step2.JPG\")
Solve the equation ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5e9594ba2f388b0864632193d62fcd99.png\")
for x.
Subtract 250 from each side.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=25e35706ba29169f7d4af73a5def49f1.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e403fe1d6463085b2c23a800c34a0b24.png\")
Divide each side by 20.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=01a8b3f89e588a54b7e14e20a097f5ea.png\")
Cancel common terms.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d39cba3dd654ce2c5b2c9d0ce00d70a3.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
The weight of a person is 175 lb.