18. Nathan wants to buy a car that costs $25,920. He has $3,000 as a down payment, and his payments will be
$450 for 6 years. Through research he discovers that the value of the car will depreciate to a value of zero in 12
years. After how long will the expenses of the car be equal to the value of the car?
19. Craig is an accident reconstructionist. He arrives at an accident where there are 4 skid marks of different
lengths. He finds their measures to be 85 ft, 92 ft, 88 ft, and 90 ft. It is an asphalt road with a drag factor of 0.8.
Because he does not know the efficiency of the driver’s brakes, he assumes a brake efficiency of 80%. What is
the minimum speed the driver could have been going?
20. Jeanette buys decals for her car from every state she visits. She made a list of the prices: $0.99, $5.10,
$1.59, $1.99, $2.99, $0.80, $1.99, $1.99, $2.99, $1.59, $0.99, $3.49, $0.80. Find the mean.
21. Jackson bought his first car. He went to an insurance office to get car insurance. Which of these types of
insurance is the minimum required by law?
22. Gretchen has 50/100/50 liability insurance with a $500 deductible. While parked on the street, another car
hits hers and then leaves the scene. There was $2,350 worth of damage. How much of the cost will her
insurance pay?