If the diameter of a circle is half of a yard, then its radius is how many inches?

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

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