Key learnings

One problem, one sentence, one row a week

This page grows by one row a week. It is the page to read the evening before a test: each row is the problem a week started from, the sentence that answers it, and the calculation you must be able to do by hand. The formulas are on the formula sheet; the full key content of each week is on its page.

Week	The problem	The sentence	By hand
1	Your worst and best service: productive at what?	Productivity is always a ratio, and the interesting question is what goes into the denominator.	single-factor and multifactor productivity, productivity growth; Collins Title, Modern Lumber (Solved Problems 1.1 and 1.2), Fisher Technologies (Table 1.1)