Mary is running a marathon which is a total of 26 miles. she is running at a pace of 7.5 miles per hour and already run 8 miles. if she stays at the same pace how much time in hours does she have left

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