You have 7 red marbles,5 blue marbles, and 3 yellow marbles. you randomly choose one marble, without replacing the first marble you choose a second and without replacing the second marble, you choose a third

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.