Of the 30 cars in a parking lot, 12 are blue, 8 are red, 6 are white, and 4 are silver. in simplest form, what are the odds in favor of a red or white car leaving first?

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.