A little math story

[coriolis]

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 exchanges a set "L" of lumber for a set "M" of money. The
>cardinality of set "M" is 100. Each element is worth one dollar.
>Make 100 dots representing the elements of the set "M." The set
>"C", the cost of production, contains 20 fewer points than set "M."
>Represent the set "C" as the subset of set M and answer this question:
>What
>is the cardinality of the set "P" of profits?
>
>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:
>
>By cutting down beautiful forest trees, the logger makes $20. What
>do you think of this way of making a living? Topic for class
>participation after answering the question: How did the forest birds
>and squirrels "feel" as the logger cut down the trees?
>There are no wrong answers.
>
>Teaching Math in 2000:
>
>A logger sells a truckload of lumber for $100.
>His cost of production is $120.
>How does Arthur Andersen determine that his profit margin is $60?
>
>
>Teaching Math in 2010:
>
>El hachero vende un camion carga por $100. La cuesta de...

[Pburgh]

ROTFLMAO

[JCT777]

LOL! I have seen this one before, but it still makes me laugh.

[GalvestonDuck]