This chart shows the number of eggs laid each month by my pet chicken, Drakestail:
What is the greatest average number of eggs per month laid by Drakestail during a period of 5 consecutive months?
("Consecutive" means "back to back". For instance, January and February are consecutive, but January and March aren't.)
Anonymous has the correct months, but the average is (21 + 23 + 22 + 24 + 15)/5 =