2 x 100 15 July 8, 2019 16 32 64 128 2 100 x 1500 X 2 15x 100 0 2 100 x 150 X 2 15x 100 2 15 x 100 3 Factorise x 2 15x 100 2 over 15 x 100 2 divided by 15 x 100 100 x 2 4x 15 15 2 x 1 100