My dad, Burly Ird, says he has to moan at me two school mornings in every three to get me out of bed.  In a twelve-week term, with five schooldays each week, on how many mornings will he moan at me? 
Overseas Competition->Knowledge Point->Word Problem Modules->Unitary Method Problems->Finding the Total Value using Unitary Method
The number of moaning mornings is $$\frac{2}{3}\times 12 \times 5 = 40$$. 