To find the total number of 8th graders based on the two-way table, we can fill in the missing values systematically.
From the table, we can see:
- The total attendance on Friday is 52.
- The total number of attendees on Saturday is missing.
We also know that:
- 7th graders on Friday: 24
- 8th graders on Saturday: 35
To find out how many 8th graders attended on Friday, we can subtract the number of 7th graders from the total for Friday:
Total on Friday - 7th graders on Friday = 8th graders on Friday 52 - 24 = 28
Now we can summarize the values in the table as follows:
- 7th graders on Friday: 24
- 7th graders on Saturday: This value is not provided in the question.
- 8th graders on Friday: 28
- 8th graders on Saturday: 35
Next, to find the total number of 8th graders, we add the number of 8th graders from Friday and Saturday:
28 (Friday) + 35 (Saturday) = 63
So, the total number of 8th graders is 63.
Based on the options available, the correct response is: 63.