Tom rides his bike 1 1/4 miles round trip to work. He works 5 days each week. How far will Tom ride his bike to and from work in 3 week

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.