Originally Posted by Nightshade

Teaching Math In 1950

A logger sells a truckload of lumber for $100. His cost of production is 4/5
of the price. What is his profit?


Teaching Math In 1960

A logger sells a truckload of lumber for $100. His cost of production is 4/5
of the price, or $80. What is his profit?


Teaching Math In 1970

A logger sells a truckload of lumber for $100. His cost of production is
$80. Did he make a profit?


Teaching Math In 1980

A logger sells a truckload of lumber for $100. His cost of production is $80
and his profit is $20. Your assignment: Underline the number 20.


Teaching Math In 1990

A logger cuts down a beautiful forest because he is selfish and
inconsiderate and cares nothing for the habitat of animals or the
preservation of our woodlands. He does this so he can make a profit of $20.
What do you think of this way of making a living? Topic for class
participation after answering the question: How did the birds and squirrels
feel as the logger cut down their homes? (There are no wrong answers.)


Teaching Math In 2005

Un hachero vende una carretada de maderapara $100. El costo de la producción
es $80 ...