A deadline moves. Maybe your tutor gave everyone more time, or a client asked for a delay, or a supplier was late. The question is simple: what is the new date? If you know how long extensions usually last, you can plan better. Say your last three extensions were 5, 7 and 12 days. An average calculator shows a mean of 24 ÷ 3 = 8 days, which is useful for planning, but not a promise....
