document.write( "Question 1134444: The ACME company makes two types of rings: the VIP and the SST. They can produce up
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Algebra.Com's Answer #751840 by ikleyn(52788)\"\" \"About 
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document.write( "Let  X = # of the VIP rings, and\r\n" );
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document.write( "     Y = # of the SST rings.\r\n" );
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document.write( "Then the problem is to maximize the objective (=the profit) function  \r\n" );
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document.write( "    P(X,Y) = 40X + 35Y\r\n" );
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document.write( "under these restrictions\r\n" );
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document.write( "    X + Y <= 24,\r\n" );
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document.write( "    3X + 2Y <= 60,\r\n" );
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document.write( "    X >= 0,  Y >= 0.\r\n" );
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document.write( "The feasibility domain is shown at the plot below.\r\n" );
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document.write( "    \r\n" );
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document.write( "    Plot X + y = 24 red),  3x + 2y = 60 (green)\r\n" );
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document.write( "It is the quadrilateral in QI under the red and green lines.\r\n" );
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document.write( "Corner points are  \r\n" );
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document.write( "     P1 = (0,24)     (red line y-interception);\r\n" );
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document.write( "     P2 = (12,12)    (intersection the red and the green lines);\r\n" );
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document.write( "     P3 = (20,0)     (green line x-interception).\r\n" );
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document.write( "Calculate the profit function at the corner points\r\n" );
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document.write( "     P1:  P(0,24)  = 40*0  + 35*24 = 840;\r\n" );
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document.write( "     P2:  P(12,12) = 40*12 + 35*12 = 900;\r\n" );
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document.write( "     P3:  P(20,0)  = 40*20 + 35*0  = 800.\r\n" );
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document.write( "The maximum value is at P2.\r\n" );
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document.write( "Hence, the solution is the point P2 with  X= 12 (the number of the VIP rings)  and  Y = 12 (the number of the SST rings)  \r\n" );
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document.write( "                       and the profit value of  900 dollars.    ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "To see other similar problems solved by the Linear Programming method,  look into the lesson\r
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\n" ); document.write( "\n" ); document.write( "Also,  look into the solutions of other similar problems in the archive to this forum under the links\r
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\n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/Graphs/Graphs.faq.question.1131906.html\r
\n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/coordinate/word/Linear_Equations_And_Systems_Word_Problems.faq.question.1131043.html\r
\n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/word/finance/Money_Word_Problems.faq.question.1129285.html\r
\n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/Finance/Finance.faq.question.1128383.html\r
\n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/Linear-equations/Linear-equations.faq.question.1123217.html\r
\n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/Finance/Finance.faq.question.1102103.html\r
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