It looks like you have some data regarding the number of 7th and 8th graders on specific days with a total for Friday. To clarify your information, here’s a breakdown of the data you provided:
- 7th graders on Friday: 24
- 8th graders on Saturday: 35
- Total for 7th graders on Friday: 52 (which likely means the total for that day including both grades, as it also indicates 24 + 28 for 8th graders on Friday)
If you're asking for clarifications, comparisons, or further calculations with this data, please provide more details on what you need!