Math

2)Jenny wants to buy a new car, and she has narrowed her choices to two models.

Model A sells for $12,500, gets 25mi/gal, and costs $300 a year for insurance

Model B sells for $16,100, gets 36 mi/gal, and costs $400 a year for insurance.

Jenny drives about 36,000 miles a year, and gas costs about $3 a gallon.

a. Find a formula for the total cost of owing Model A for any number of years.


b. Find a formula for the total cost of owing Model B for any number of years.


c. Make a table of the total cost of owning each model from 1 year to 6 years, in 1 year increments.


d. If Jenny expects to keep the car for 2 years, which model is more economical?


e. What do you suppose is causing this trend?

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