Mr. thomas brings $100 to a fundraiser. he wants to leave the event with at least $50 in his pocket. guests at the fundraiser buy raffle tickets for several different prizes. each raffle ticket costs $2.50. how many raffle tickets can mr. thomas buy and still leave with at least $50 in his pocket?

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?