126
Explanation
18/-3-(-12)•(-1)•(-11)
divide 18 by -3 and change signs on the 12
(-6)+12•(-1)•(-11)
multiply 12 and -1
(-6)+(-12)•(-11) then multiply -11 and -12
-6+132
126
The answer is 27, I had it on a test.
Your answer would be X=8 and Y=11.
It is systematic because they are going every tenth person
