Related Post: 3 9 X 3 27 3 X 9 3x 27 3 X 9 4 27 3 3 9 X 270 3 2x 9 )( 3 X 1 27 4 9 18x 3 X 1 3 27x 4 3/9= /3 3/9 * 2/3 3 9 27 Rule 3/9 Of 27