SpinnerBait_Nut
Honorary Moderator Emeritus
- Joined
- Aug 25, 2002
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Math is hard, and it is gonna get harder<br /><br />Last week I got a burger at Burger King for $1.58. The counter girl<br />took my $2 and was digging for my change when I pulled 8 cents from my pocket<br />and gave it to her. She stood there, holding the nickel and 3 pennies,<br />while looking at the screen on her register I sensed her discomfort and<br />tried to tell her to just give me back two<br />quarters, but she hailed the manager for help and while he tried to<br />explain the transaction to her, she stood there and cried. <br />Why do I tell you this? Read on...<br /><br />Teaching Math in 1950:<br />A logger sells a truckload of lumber for $100.<br />His cost of production is 4/5 of the price.<br />What is his profit?<br /><br />Teaching Math in 1960:<br />A logger sells a truckload of lumber for $100.<br />His cost of production is 4/5 of the price, or $80.<br />What is his profit?<br /><br />Teaching Math in 1970:<br />A logger exchanges a set "L" of lumber for a set "M" of money.<br />The cardinality of set "M" is 100. Each element is worth one dollar.<br />Make 100 dots representing the elements of the set "M."<br />The set "C", the cost of production, contains 20 fewer points than set "M."<br />Represent the set "C" as a subset of set "M".<br />Answer this question:<br />What is the cardinality of the set "P" of profits?<br /><br />Teaching Math in 1980:<br />A logger sells a truckload of lumber for $100.<br />His cost of production is $80 and his profit is $20.<br />Your assignment:<br />Underline the number 20.<br /><br />Teaching Math in 1990:<br />By cutting down beautiful forest trees, the logger makes $20.<br />What do you think of this way of making a living?<br />Topic for class participation after answering the question:<br />How did the forest birds and squirrels feel as the logger cut down the trees?<br />There are no wrong answers.<br /><br />Teaching Math in 2000:<br />A logger sells a truckload of lumber for $100.<br />His cost of production is $120. How does Arthur Andersen determine that his profit margin is $60?<br /><br />Teaching Math in 2010:<br />El hachero vende un camion carga por $100.<br />La cuesta de produccion es.............