You usually buy a 5.4 ounce bottle of lotion. There is a new bottle that says it gives you 20% more free.
Use the drop-down menus to build an equation that could be used to find the size
of the larger bottle, x.

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.