Final answer:
In 2014, 31% of traffic fatalities and 8.5% of traffic crashes in the U.S. were alcohol-related.
Step-by-step explanation:
The correct answer is Option 1: 31% of traffic fatalities and 8.5% of traffic crashes.
To find the percentage of alcohol-related traffic fatalities and traffic crashes in 2014, we need to divide the number of alcohol-related fatalities and crashes by the total number of fatalities and crashes.
According to the given options, Option 1 states that 31% of traffic fatalities and 8.5% of traffic crashes were alcohol-related. This means that out of all the traffic fatalities in 2014, 31% were caused by alcohol, and out of all the traffic crashes, 8.5% were alcohol-related.