document.write( "Question 1117205: write the fraction as a multiple of a unit fraction: model fraction
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Algebra.Com's Answer #732210 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "    You can even do not participate in this process personally.\r\n" );
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document.write( "    Leave it to them; they will do it perfectly without your participation.\r\n" );
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document.write( "    When they complete, ask them, how many is 6 divided by 2, and they will answer to you.\r\n" );
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document.write( "    In  this way you will learn how to answer your question . . . \r\n" );
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\n" ); document.write( "\n" ); document.write( "What I am trying to deliver to your mind, is THIS:\r
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document.write( "     Your question is of a kindergarten level.\r\n" );
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document.write( "     It is not so necessary to post it to the forum to get the correct answer.\r\n" );
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\n" ); document.write( "\n" ); document.write( "There is a good Math joke, which perfectly correlates with this problem // with this style of education.\r
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document.write( "                            The Evolution of Math Teaching\r\n" );
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document.write( "1960s: A peasant sells a bag of potatoes for $10. His costs amount to 4/5 of his selling price. What is his profit?\r\n" );
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document.write( "1970s: A farmer sells a bag of potatoes for $10. His costs amount to 4/5 of his selling price, that is, $8. What is his profit?\r\n" );
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document.write( "1970s (new math): A farmer exchanges a set P of potatoes with set M of money. The cardinality of the set M is equal to 10, \r\n" );
document.write( "      and each element of M is worth $1. Draw ten big dots representing the elements of M. The set C of production costs is composed \r\n" );
document.write( "      of two big dots less than the set M. Represent C as a subset of M and give the answer to the question: \r\n" );
document.write( "      What is the cardinality of the set of profits?\r\n" );
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document.write( "1980s: A farmer sells a bag of potatoes for $10. His production costs are $8, and his profit is $2. Underline the word \"potatoes\" \r\n" );
document.write( "      and discuss with your classmates.\r\n" );
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document.write( "1990s: A farmer sells a bag of potatoes for $10. His or her production costs are 0.80 of his or her revenue. On your calculator, \r\n" );
document.write( "      graph revenue vs. costs. Run the POTATO program to determine the profit. Discuss the result with students in your group. \r\n" );
document.write( "      Write a brief essay that analyzes this example in the real world of economics.\r\n" );
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document.write( "(Anon: adapted from The American Mathematical Monthly, Vol. 101, No. 5, May 1994 (Reprinted by STan Kelly-Bootle in Unix Review, Oct 94)\r\n" );
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