Respuesta :

27 sports cars

3/8 = x/72 
8* blank = 72 
So, since 8*9=72 you have to multiply 3 by 9 which gives you 27.
Hope this helps!

27 sports cars

72 divided by 8 is 9

3 of those 9's is 27

The other five add up to 45

45 + 27= 72