Crystal has $640 in her account she plans to withdraw $60 each week for public transport costs. If there are no other deposits or withdrawals from her account, which expression best represents how much money she will have left after w weeks? A) 580 - 60(w - 1)
B) 580 + 60(w - 1)
C) 580 - (w • 60)
D) 640 - 60w

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.