15 x 100 20 July 8, 2019 16 32 64 128 15 100 x 200 15 100 x 2000 15 x 100 divided by 20 15 20 x 100 1 15 over 20 x 100 20000 x 15 100 15 divided by 200 x 100 15 x 10 15 x 100
