On a map with a scale of 1:20000, the length of AB is 8 cm. On a map with a scale of 1:40000, the distance between the two places is 8 cm How many centimeters?

On a map with a scale of 1:20000, the length of AB is 8 cm. On a map with a scale of 1:40000, the distance between the two places is 8 cm How many centimeters?

On a map with a scale of 1:20000, the length of AB is 8 cm. On a map with a scale of 1:40000, the distance between the two places is 40000:20000 = 4cm