Mike began tiling his bathroom floor. he completed the top edge and left egde of the floor each peice is a square that has a side length of 2/1/2 of an inch. what will be the area of the completed floor when mike is finished

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