Respuesta :
Answer:
Step-by-step explanation:
I think it's the first last one because proportional means it increases by the same each time so the last one fits in that category
Answer:
Number 1 is proportional, 2 is non proportional, 3 non proportional, 4 non proportional.
Step-by-step explanation:
You divide . 4÷1=4 , 8÷2=4, 12÷3=4, the unit rate MUST be the same !!!! And if there's 0 0, that doesn't count so like if your other 2 have the same unit rate it would still be proportional.