Answer:
64 visitors (other 80%)
Step-by-step explanation:
20% of visitors of 80 visitors is 16
So.. 80 - 16 = 64 visitors.
The other 80% of visitors being 64 visitors ordered fish.
C
The mean of a data set is described as the sum of the data values divided by the total number of data values.
130
25+25 = 50
180-50=130