88 students for 4 classes?

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

Can someone answer this question for me

Two numbers have a sum of -19. one number is x. what expression represents the other number?