4x 7 3x 3 ) 9 5x July 8, 2019 16 32 64 128 5x 4x 7 3x 5 6 3 4x 9 x 1 4x 7 3x 3 ≤ 9 5x 4x 7 3x 3 less than or equal to 9 5x 4x 3 6x 7 )+( 3x 3 5x 2 5x 9 4x x 7 3x 5x 9 )) 2 3 5 x 7 = 35
