Brenda and Sam are going to stay at the hotel for one night. It costs a total of £84 to stay at the hotel for one night. Brenda pays a deposit of £20 towards the total cost. Brenda says to Sam, 'We will share the total cost equally.' How much does each person have left to pay?​

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?