A local insurance agent visits the high school and tells the students that his insurance company will give them a 10% discount on liability insurance, PIP, comprehensive insurance, and collision insurance for 3 years if they take a defensive driving course. Maria spends $1,276 on her auto insurance annually.
a. If she takes the defensive driving course, how much will she save in a 3-year period?
b. Maria’s defensive driving course costs $55. Does she save enough in 1 year to pay for the course?