Which description can be written as the expression 40n-15? a. hasaan wants to know how much savings is left in his account if he withdraws fifteen dollars. b. hasaan wants to know how many fifteen-dollar tickets he has to sell to make forty dollars. c. hasaan wants to know how much money he would have after forty hours of work if fifteen dollars is taken out of his pay for taxes d. hasaan wants to know how many fifteen-foot floors are in a building that is forty-feet tall.