Let $x be the amount of money which Kelci has raised. Brianna has raised 3 times more money than kelci, then she has raised $3x. Totally both have aised $(x+3x)=$4x.
Since together they have raised more than $300, then 4x>300,
[tex]x\ \textgreater \ \dfrac{300}{4} [/tex].
Answer: the inequality [tex]x\ \textgreater \ \dfrac{300}{4} [/tex] can be used to determine the amount of money kelci has raised
