The document discusses the costs of four different colored cars - blue, yellow, green, and red. The red car costs $5000 more than the blue car. The green car is twice as expensive as the yellow car. The blue and yellow cars cost the same amount.

1. C A R S
Would you like to buy a car?
The red car costs $5000 more than the blue
car. The green car is twice as expensive as
the yellow car. The blue car costs the same
as the yellow car. If the green and red cars
cost the same, what is the total cost of all
four cars?