At a baseball game, Justin and Shaniya buy hot dogs and hamburgers. Justin buys one hamburger and three hot dogs for $24.75 and Shaniya buys two hamburgers and one hot dog for $22. What is the cost of a hamburger?

Quadrilateral efgh was dilated with the origin as the center of dilation to create quadrilateral e'f'g'h'. the quadrilateral was dilated using a scale factor of 2.5. the lengths of the sides of quadrilateral efgh are given. what is the length of side f'g'?