Problem: one side of a rectangle is 3 cm shorter than the other side . if we increase the length of each side by 1 cm , then the area of the rectangle will increase by 24 cm 2 . find the lengths of all sides . 
Options: ['a ) 10 and 3', 'b ) 7 and 10', 'c ) 10 and 7', 'd ) 3 and 10', 'e ) 13 and 10']
e