Phrase: Five less than a number.
Variable: Let represents the cost of the sweater.
Expressions: .
Ramon is correct.
Since John considered an expression for a number less than five, which is wrong.
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represents the cost of the sweater.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=684ac567b851af2383b7de7e2ec62285.png\")
.![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")