9. If a, b, c are digits for which the following holds, then a+b+c=. Explain how you got your answer. 5 a 5 −1 6 b c 4 9

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.