Jacob puts all his pennies and nickels in his piggy bank. e has saved up a total of 474 couns. altogether, there is a total of $11.22 in his bank. how many pennies and how many nickels does he have in his piggy bank?

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?