Twenty pounds of strawberries are being shared equally by a group of friends. The equation 20\div4=520÷4=5 represents the division of strawberries. If the 5 represents the pounds of strawberries per person, what does the 4 represent?

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