Respuesta :

alanannewell
every 5 red cars there are 3 blue cars
so if there are 40 red cars there are going to be  24 blue cars
bellabutton
If there are 40 red cars, there would be 24 blue cars because, you represent the equation as 5 : 3
                        40 : ?
You do 40 divided by 5 which is 8. You then multiply 3 x 8 which is 24. 
24 blue cars :)