I wanna know who ur day is going and i want you to name this song Lost in the streets aint had no guidance
aint had no percocet
im just itchin to catch a body
check my bank account
dont answer if u dont know cuz imma be mad and i ask lots of these typa questions

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.