You can get the average but they way you are doing it you only get the percentage. Each quiz is out of 10 points according to the problem. So...
Originally Posted by WaynePD
You need to do this because the .54 is out of 1, just like 54% is 54 out of 100. You need the score which is out of 10.
11/20 = .55
12/25 = .48
3/5 = .60
1.63 / 3 = .543 * 10 (points) = 5.43 average score on the quizes
I dont know what they are looking for on the how would you want them to average it part. It's not like a different method would get a different result without rounding. Unless you say you would rather him round to the tenths place after each calculation. But it would only get you another 3 points in the end so it's not like it would help.