I need help with question 3 part a,b and question 4 part a,b,c please. Thank you!

Answer:
I learned about this but don't remember how to do this!!! Sorry
Step-by-step explanation:
3a)
Vertical:
1st Total Box: 98
2nd Total Box: 95
3rd Total Box: 57
Horizontal:
2nd Music Box: 41
1st Total Box: 130
2nd Total Box: 120
3b) 22.8 %
4a) 151 people
4b) 107 people
4c) 44 people
i can't really see the values but this is what i got.