If green lights decorate store 7, then each of the following statements could be false EXCEPT:

Emil-Kunkin on November 22 at 05:55PM

Hi, for this question, we should start with what we know from our setup,
We know the setup must always have

R G Y _ _
_ R G _ _

Here we are told that 7 is g, so we know

R G Y G R
_ R G _ _

Then, all we need to do is find the thing that must be true, which is that 9 is red.