Ashopper paid $52 for a handbag during a sale. the handbag was priced at 65% off its original price. which equation can be used to find x, the original price of the handbag

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.