Select all the statements that are correct rational approximation of irrational numbers?

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

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Plzzz answer both questions and i will give you 100 points