Answer:
33
Step-by-step explanation:
Sounds as tho' you're working with a number line. On this line you have 27.5 and 38.5 marked, and your task is to determine the midpoint. To do this, find the average of 27.5 and 38.5:
27.5 + 38.5 66
----------------- = ------ 33. The desired midpoint is 33.
2 2
