Question

Jim spends $16 each time he travels the toll roads. He started the month with $224 in his toll road account. The amount, (in dollars), that he has left in the account after T trips on the toll roads is given by the following function.

A(t)=224-16t
How much money does Jim have left in the account after 8 trips on the toll roads?How many trips on the toll roads can he take until his account is empty?

Answer 1

first multiply 16*8=128
then subtract 224-128=96
money left after 8trips is $96
then he can take 6 more trips
(96/16=6trips)