Respuesta :

TheEinstein
Add the in number to the start of each rule and that is your out.
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From what I see in the question, I think you need to use the rule which is ÷5 by the "in" numbers. 

So for no.2, it would be 15÷5 which is 3; 20÷5 = 4; 35÷5 = 7; 10 (I think thats the number because your hair is blocking it) ÷5 = 2. Hope this helped!