Your autimobile averages 23 miles of gas your work place is approximatly 18 miles from home one way. your mother lives 30 miles one way from home. with one gallon of gas you can drive to your mother's home.

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.