In 9 weeks, Kai practiced tuba for 24 hours. At this rate, how much
will he practice the next 2 weeks?

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