b. The student makes between $13, 00 and $14,000. Source: U.S. Education Dept., Chronicle of Higher Education. . Miles Driven Annually The mean number of miles driven per vehicle annually in the United States is 12,494 miles. Choose a randomly selected vehicle, and assume the annual mileage is normally distributed with a stan- dard deviation of 1290 miles. What is the probability that the vehicle was driven more than 15,000 miles? Less than 8000 miles? Would you buy a vehicle if you had been told that it had been driven less than 6000 miles in the past year? Source: World Almanac.

We want to build a playing field where the length of the field is twice as long as the width. The cost for turf is $4 per square foot. We have $50,000 to spend. What is the largest area we can cover with turf?

John’s average annual income over a 4-year period was $25,000. What would John’s average annual income have to be for the next 3 years so that his average annual income over the 7-year period would be $50,000? Solve this problem in two differ-ent ways, and explain your solutions.

Eric is driving an average of 39 miles per hour, and he is 109.2 miles away from home. After how many hours will he reach his home? Assume Eric will reach home after h hours. Write an equation to model this scenario. There is no need to solve it.