In a certain instant lottery game, the chances of a win are stated as "4 in 23." Express the indicated degree of likelihood as a probability value between 0 and 1 inclusive.

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.