Jim works in real estate sales. His annual salary is $20,000 plus 2.5% of his house sales. What was the total value of all the homes he sold if his annual pay for the year was $120,000?

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?