On the 1:6000000 scale map, the distance between Nanjing and Beijing is 15cm. How many kilometers is the actual distance between Nanjing and Beijing?

On the 1:6000000 scale map, the distance between Nanjing and Beijing is 15cm. How many kilometers is the actual distance between Nanjing and Beijing?

15 △ 16000000 = 90000000 (CM), 90000000 cm = 900km; a: the actual distance from Nanjing to Beijing is about 900km