Problem: a rectangular photograph is surrounded by a border that is 1 inch wide on each side . the total area of the photograph and the border is m square inches . if the border had been 3 inches wide on each side , the total area would have been ( m + 64 ) square inches . what is the perimeter of the photograph , in inches ? 
Options: ['a ) 16', 'b ) 24', 'c ) 32', 'd ) 40', 'e ) 48']
a