Ms. bloom brought 4 packs of treats for halloween. she gave away 2 1/9 packs of treats to her class and gave away 5/9 packs of treats to the two classes of kindergarten students that causes to her class for trick or treating. how many packs of treats did she have left?

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?