Plz help
The function graphed below shows the number of people, y, inside a stadium for a football game x minutes after the doors were opened to the public.

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220