Final answer:
The measure of side o'p' in triangle n'o'p', after applying the scale factor of one-half to the original side length of 16 in triangle nop, is 8.
Step-by-step explanation:
To determine the measure of side o'p' in triangle n'o'p', you must multiply the length of side op in triangle nop by the given scale factor. You stated that the scale factor is one-half, but also included scale/actual = 1/20 and scale/actual = 1/5.5. Assuming the first provided scale factor is correct, and if side op measures 16, then the length of side o'p' would be 16 multiplied by 1/2. This gives us the measure of side o'p' as 8.