Exercise: Compute Polina's maximum alcohol consumption level (number of standard drinks)

Answer: Polina reports that during a birthday party she drank 2 Colt 45s and 3 Long Island Ice Teas.
The number of standard drinks for that event = (2 X 4.0) + (3 X 1.5) = 8.0 + 4.5 = 12.5