Willa ate 4 out of 5 cookies on the plate. what percent of the cookies did he eat ?

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

Math question.. plz me .. best answer all

Which of the following scenarios demonstrates an exponential decay