6 cm = 30m
find out how much meters 1 cm is equal too. Divide 6 from both sides
6cm/6 = 30,=m/6
cm = 30/6
cm = 5m
So for every centimeter, it equals 5 meters
You have 15 centimeter, so multiply 5 to it
15 x 5 = 75
75 meters is your final answer
hope this helps