The question tells you to put OS together. It also tells you that whoever is beside OS are the stores that always must be beside OS.
So to find the right answer, you just have to make a single correct diagram. You don’t have to make every possible diagram.
The question has told you that if you put OS together, then whoever is beside OS must always be beside OS. They told you it’s something that must be true.
O or V has to be beside P. I first tried making a diagram with O beside P, because it seemed simpler to place S. But this didn’t work. T and V end up beside each other. That violates the fourth rule:
(R is fourth because of rule 2, it can’t be fewer than two spaces away from the other restaurant.)
So let’s try again, with V beside P. Remember, we just need to find one diagram that works:
Let’s think about R. R can’t go fifth or sixth.
Turns out R also can’t be fourth. If you try to place R fourth, then OS will be fifth and sixth. T would have to go third, beside V.
Draw this and you’ll see. You should be drawing these diagrams yourself as you follow along, they’ll make more sense.
So R is third:
Since OS must be a block, then they either go fourth and fifth or fifth and sixth:
They are in a block with a line across to show that their order is reversible.
Either way, they are surrounded by T and R.
D is CORRECT.
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