Deandre spends $16 each time he travels the toll roads. He started the month with $240 in his toll road account. The amount, A (in dollars), that he has left in the account after / trips on the toll roads is given by the following function. A (1) 240-167 Answer the following questions. (a) How many trips on the toll roads can Deandre take until his account is empty? trips (b) How much money does he have left in the account after 9 trips on the toll roads? $0