In 2012, more than percent of the 15- to 20-year-old drivers involved in fatal crashes had been drinking. a. 10b. 20c. 40

b) 20 %.

Explanation:

In 2012, there were many young drivers ( between age 15 and 20 ) who died in vehicle crashes, which is a decrease of 6 percent from 2011.

Additionally to this number, many young drivers were injured in the crashes, compared to 2011, for 2 %.

Motor crashes are the leading cause of death for the teenagers and young adults.

a problem could be dealing witj emotional stress..all of these factors contribute to emotional stress.