Problem: a rectangular table , kept against a wall has a three sides free and the wall along the fourth side . the side opposite the wall is twice the length of each of the other two free sides . if the area of the rectangular table is 128 square feet , what is the total length of the table free sides , in feet ? 
Options: ['a ) 4', 'b ) 8', 'c ) 16', 'd ) 32', 'e ) 64']
d