1) x = 9 * 12 = 1082) 286 = 13y => y = 286 / 13 = 223) y + 15/6 = 12 => y + 2.5 = 12 => y = 12 - 2.5 = 9.5
1) x = 9 * 12 = 108
2) 286 = 13y => y = 286 / 13 = 22
3) y + 15/6 = 12 => y + 2.5 = 12 => y = 12 - 2.5 = 9.5