Question

The percentage results of a quiz are as follows: 62, 83, 90, 72, 88, 92, 75, 88, 96, 86, 81, 68, 87. About what percent of the class scored below an 80?

Answer 1

The fraction will be out of 13.
62, 72, 75, 68 are the only scores less than 80
4/13
30 percent scored less than 80

Answer 2

Hello There!

There are 13 results so that is the total number, 
4 results are below 80
Making it $\frac{4}{13}$
This is percentages is 30.77%
Making it approximately 31%.

Hope This Helps You!
Good Luck :)