4 x 5 9 3 1 July 8, 2019 16 32 64 128 1 3 4 x 5 9 9 3 4 x 5 1 8 X 5 7 9 4 1 3 4 x 1 5 x 3 9 x 2 3 5 x 12 )=- 4 x 9 )+ 1 1 9 x 6 4 x 5 3 1 3 x 5 9 2x 4 5 6 7 9 x 4 3 1 2 3 4 x 5 9 x 8 15 4 5 x 9 7 4 5 x 3 14 9 5 x 4 3 12 15 5 3 4 x 9 1 2 envelope 4 9 3 10 x 2 5 4 3 x 5 8 x 9 11 as a fraction 1 3 4 5 x 9 rational equation