If you mean when 2 numbers are left. then you would, add the numbers together and then divide them by 2
hope i helped
C should be your answer:))))

Actually Welcome to the Concept of the Inequalities.
so we get as,
(w+6)/2 < 5
so we get as,
w+6 < 10
=> w < 10-6
=> w < 4
so the answer is,
w < 4