7n+x=340 where n equals the number of years and x is the starting amount. Since he has been buying cows for 20 years, we plug 20 in for n. This would give you 140+x=340. After subtracting 140 from both sides you come to the conclusion that x=200.
Make shore she has enough money for the car. get insurance before getting a car.Then go to a good dealership not one that cheats you believe my there people out there that do that then the rest is up to u hope that HELPED.