Rachael and sarah spent $8 for gasoline, $15.65 for their lunch, and $5 a piece for gifts for grandma. grandma gave each of them $10. if the girls left home with a total of $50, how much do they hace for the return trip?

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?