It is 3/50.
It is: 30/500 or 3/50 simplified
The GCF of 12m, 15m and 30m is 3m.
30m (meters) is 98.425 feet or 16.4 fathoms.
30m = 3000cm, so there are 1000 lots of 3cm in 30m
50m/30m = 50/30 = 5/3
120m^3/30m^2 = 4 meters
I think its 30m