Answer the 3rd question please

This question awards 100 ! i really don’t want to fail i will also mark you !

Me with this one question, and i'll upvote the brainliest answer

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.