No one person invented percentages. The concept developed throughout history. In Ancient Rome mathematical computation were expressed in fractions of 100.
Step-by-step explanation:
The term has been attributed to Latin per centum. The concept of considering values as parts of a hundred is originally Greek. The symbol for percent (%) evolved from a symbol abbreviating the Italian per cento. In some other languages, the form procent or prosent is used instead.
Step 1: Add up all the scores. Step 2: count the number of scores. step 3: divide the sum of the scores by the number of scores themselves. step 4: The answer is 26 points.
