Mathematics in 1950 A logger sells a carload of timber for NOK 1,000. The lumberjack's costs are 4/5 of the price. What does the lumberjack earn from the sale?
Mathematics in 1960 A logger sells a carload of timber for NOK 1,000. The lumberjack's costs are 4/5 of the price, or NOK 800. What does the lumberjack earn from the sale?
Mathematics in 1970 A logger trades a carload T (for timber) against a sum P (for money.) The base number for T is 100. Each item is worth a penny. Make 100 dots to represent the elements T. K (costs) contains 20 fewer than in the base number P.
Derive K as a differentiable of P and answer the following questions:
What is the base figure for F (profit)?
Mathematics in 1980 A logger sells a carload of timber for NOK 10,000. The lumberjack's costs are NOK 8,000 and the profit is NOK 2,000. Underline the number 2,000.
Mathematics in 1990 By cutting down the trees, the logger earns NOK 2,000. What do you think about this way of making a living?
Investigate the following questions: How did the birds and animals of the forest react to the logger cutting down the trees. - There are no wrong answers.
Mathematics in 2000 A timber company outsources all its loggers. The average lumber worker in this company earned NOK 285,000 a year, had 3 weeks' holiday and all the usual social benefits. A hired logger's hourly price is NOK 500.
Did it make sense for the company to outsource all the loggers?