4 9 x 16 x 3 8 July 8, 2019 16 32 64 128 3 4 x 8 9 x 15 16 3 4 x 9 16 x 3 8 trowel 4 9 16 in x 4 3 8 in x 1 1 2 in galvanized angle 4 3 x 9 8 x 16 15 x 25 24 3 4 x 8 9 x 15 16 x x 899 900 3 4 x 8 9 x 15 16 x x 99 100 If 4 9 x 2 3 16 81 then x 3 4 x 8 9 x 15 16 x x 120 121 4/9 x 16 4x4 = 16
