Question 2
Each figure in the sequence is composed entirely of $1\times1$ shaded squares
In the 28th figure, given that the ratio (in simplest form) of the area of the inner shaded rectangle to the area of the outermost rectangle is $m/n$, what is the value of $mn$?

In the 28th figure, given that the ratio (in simplest form) of the area of the inner shaded rectangle to the area of the outermost rectangle is $m/n$, what is the value of $mn$?
