Do those two problems have the same answer?

Brent wants to know what is 5 x 1/2

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.

During a wright loss challenge your friend goes from 125 pounds to 100 pounds. what was the percent weight loss