Step 1: Represent the sum total of everything you do by a “% Activities chart,” which is square pie chart whose areas are proportional to the % of time spent on each activity, A, B, C … N. The initial value is called % A ini, % B ini, etc.<br /><br />If % A opt is the optimum size of % Activity area A, then The Problem is reduced to finding % A opt, % B opt … % N opt.