Which ratio forms a proportion with 16/20 ? a: 4/10 b: 32/50 c: 8/12 d: 4/5 my brains not working today..

The dolphins at the webster are fed 1/2 of a bucket of fish each day the sea otters are fed 1/2 as much fish as the dolphins how many buckets of fish are the sea fed each day? simplify you answer and write it as a proper fraction or as a whole or mixed number