There are 790 cal in 610 ounce bottles of apple juice how many calories are there in one 10 ounce bottle of apple juice

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