If Carl, a male, ha 8 drink, Carl i 225 pound. What i the BAC? It' been 5 hour ince he tarted drinking. How much BAC hould be ubtracted? Would he be able to drive after 5 hour? If not, how long would he need to wait before driving? What' hi BAC for 10 drink? How long would he need to wait before driving after 10 drink in 3 hour?