The following grouped frequency table shows information about students' marks in a test. The test was out of 30.
To pass the test a student needs to get over half of the marks.

Test scoreFrequency
0 - 54
6 - 106
11 - 156
16 - 206
21 - 256
26 - 302

What fraction of students passed the test?

The answer is 20^3 because by the end of 6 hours the number of bacteria has doubled every two hours meaning that after the first two hours you have 2000, then another 2000 after two hours, then 4000 after the next two hours, ans finally at the end of 6 hours, you have 8000 bacteria aka 20^3

Step-by-step explanation: