4 9 х 27 July 8, 2019 16 32 64 128 4 9 x 27 4 9 x 27 16 4/9 x = 8/27 4 9 x 27 1 4 9 x 5 27 9 4 х 8 27 4 4 9 х 5 27 4 27 х 9 16 4 9 x =( 8 27 6 4 9 x 27 with solution
