Answer: The pattern would be that every change in the pattern is half of the change in the previous pattern.
Step-by-step explanation: 16-11=5, 11-8.5=2.5, 8.5-7.25=1.25. The numbers are getting changed by a half amount (5, 2.5, 1.25). The next number would be 7.25-0.625 or 6.625.
