A unit rate is a comparison of a quantity to one unit of another quantity. In the context of the options provided, a unit rate would typically have a denominator of 1.
Among the given options, the fraction that represents a unit rate is:
27/1 (which is 27)
This indicates that you have 27 of something per 1 unit.
The other fractions do not represent a unit rate:
- 3/4 (which means 3 parts out of 4)
- 1/27 (which means 1 part out of 27)
- 75e (which is not clear but doesn't seem to be a standard fraction).
So, the best answer is 27/1.