The Blood Alcohol Concentration BAC of a person who has been

The Blood Alcohol Concentration (BAC) of a person who has been drinking is given by the following expression. number of oztimes % alcoholtimes 0.075divided bybody wt in lbminus hr of drinkingtimes 0.015 In 4 hours, a 170 -lb person has drunk 5 16 -oz beers (80 oz), each having a 5.0 % alcohol content. Find this person\'s BAC.

Solution

BAC = 0.075A/W = 0.015T
BAC = 80*5*0.075/170 - 4*0.015
BAC = 0.116470588
Rounded to the nearest thousandth:
BAC = 0.12 or 12%    answer