A) the value of a car goes down by 10% a year. a car costs £40,000 when new.
how much is it with after:
i) 1 year?
ii) 2 years?

b) after how many years is it worth less than it’s original price?

c) does the answers to part b increase ,
decrease or stay the same when:
i) the cost of the new car is changed to £12,000
ii) the rate of the decrease is changed to 20% ?