Students were asked what grades they usually get in school. For twelfth-grade students who responded to this question and the question about how often they wear seatbelts when driving, a summary of frequency counts for combinations of responses to the two questions is as follows.

Wears Seatbelt	Usual School Grades
A and B	C	D and F	Total
Never	52	32	12	96
Rarely	130	90	27	247
Sometimes	166	104	2	272
Most times	293	125	28	446
Always	1058	305	41	1404
Total	1699	656	110	2465

The total number of students in the table is 2465. What percentage of these 2465 students said that they usually get A's and B's in school? (Round your answer to the nearest tenth.)

What percentage of the 1699 students who said that they usually get A's and B's said that they always wear a seatbelt when driving? (Round your answer to the nearest tenth.)

What percentage of the 656 students who said that they usually get C's said that they always wear a seatbelt when driving? (Round your answer to the nearest tenth.)

What percentage of the 110 students who said that they usually get D's and F's said that they always wear a seatbelt when driving? (Round your answer to the nearest tenth.)