Respuesta :

Answer:

5 Units

Step-by-step explanation:

In my opinion I think that’s 5 units.
Explanation: 5 minus 1= 4 3 minus 2= 1
4 plus 1= 5
5 units.

I tried my best to reason but it would be more simple to explain with a graph or something but basically this is how I’d do it. The person that answered before also said the same thing so here’s double proof.