Mr. Walker asked his students to use the associative property to find an expression that is equivalent to open paren 13 plus 15 plus 20 close paren times open paren 20 plus 47 plus 18 close paren The expressions that four students created are shown in the given table. Expressions Generated by Students Student Expression Jeremy open paren 20 plus 13 plus 15 close paren plus open paren 20 plus 47 plus 18 close paren Layla open paren 20 plus 47 plus 18 close paren plus open paren 13 plus 15 plus 20 close paren Keith open paren 13 plus 20 close paren plus open paren 20 plus 47 plus 18 close paren plus 15 Melinda open paren 13 plus 15 plus 20 plus 20 close paren plus open paren 47 plus 18 close paren How many of the students correctly applied only the associative property to rewrite the expression?