Respuesta :

I think you have it upside down.
When you solve a proportion, you cross multiply. You can have the same proportion just by interchanging 8 and b

a/8 = b / 15 When you cross multiply, you get
15a = 8b Try the given proportion to see what happens
Answers for this test, unit 3 lesson one are
1a 2a 3b 4d 5b