class Car
    attr_accessor :title, :mileage
    def initialize(title, price)
        @title = title
        @price = price
    end
    def get_price
        return @price
    end
end

class UsedCar < Car
    def initialize(title, price, mileage)
        @title = title
        @mileage = mileage
        @price = price
    end
    def get_price
        if @mileage > 50000
        price_used_car = (1 - 50000 / 100000) * @price
        else
            price_used_car = (1 - @mileage / 100000) * @price
        end
    end


end

class CarPriceCalculator
    def initialize(cars)
        @cars = cars
    end

    def check(title, price)

        audi.title is costs audi.get_price
        # "#{bmw.title} is costs #{bmw.get_price}"
        # "#{honda.title} is costs #{honda.get_price}, because its mileage is #{honda.mileage}"
    end
end


@cars = []

audi = Car.new("Audi", 6000)
# # puts "#{audi.title} is costs #{audi.get_price}"

bmw = Car.new("BMW", 5000)
# # puts "#{bmw.title} is costs #{bmw.get_price}, because its mileage is #{bmw.mileage}"

honda = UsedCar.new("Honda", 4200, 10000)


@cars << audi
@cars << bmw
@cars << honda


check(title, price)