Can the remainder in a division problem ever equal the divisor? why or why not

Aportion of a line bounded by two points is defined as

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.

Find the value of x. round the length to the nearest tenth