1 3 x 15 6 July 8, 2019 16 32 64 128 1 3 x 15 6 answer 1 3 7 15 x 63 y 5 x 3 15 1 6 2 3 x 6 )+ 15 4 x 1 )+ 4 1 3 x 15 plus 6 1 over 3 x 15 6 1 3 x 15 x 63 17 x 1 3 x 15 6 1 2 x 15 6 3 4 1 3 (- 6x 15 )- x 5 1 3 x 64 x 15 1 3 x 60 x 15 5 6x 10 1 3 x 15 X 15 1 3 5 6