Is the last question: 10-2 = 8km 10-4 = 6km 10:8:6 = 5:4:3 2 / 4 * 3 = 1.5km 4-1.5 = 2.5km

Is the last question: 10-2 = 8km 10-4 = 6km 10:8:6 = 5:4:3 2 / 4 * 3 = 1.5km 4-1.5 = 2.5km

Yes, dear~