Change 150 cm to km if the map scale is

Question

1:20000

Answer 1

1 m = 100 cm

1 km = 1 000 m = 1 000 • 100 cm

1 km = 100 000 cm

20 000 • 150 cm = 3 000 000 cm =

= 30 • 100 000 cm = 30 km