by ohthatpatrick Tue Nov 13, 2018 2:46 pm
From the setup, we had this:
...........R
........./
...[ ? ]
........\
...........S ---> [ ? ]
And then we had rules that said:
[ R/T ] ---> Q
[ T/U ] ---> P
So if T doesn't lead to anything else, then we know that the two above rules will look like this:
R --> Q
U --> P
And if we combine those with our S/R rule, we now have
...........R ---> Q
........./
...[ ? ]
........\
...........S ---> [ ? ]
Who is the question mark that is leading to R and S?
It can't be Q, because Q comes after R.
It can't be T, because T doesn't lead anywhere on Q20.
It can't be U, because U leads to P, and you're not allowed to lead to three things (P, R, and S)
So it would have to be P. Thus, we'd have this
...........R ---> Q
........../
U -> P
..........\
...........S ---> [ ? ]
Where does T go? It has to go into the empty spot after S.
...........R ---> Q
........../
U -> P
..........\
...........S ---> T
(A) correct
(B) opposite
(C) U only transmitted to P
(D) P transmitted to R and S
(E) R transmitted to Q