document.write( "Question 1091954: A firm sells its product for R200 per unit. The cost per unit (per month) is 80 + x , where x represents the number of units sold per month. What is the marginal profit at a production level of 20 units? \n" ); document.write( "

Algebra.Com's Answer #706791 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "The first part of the condition \r
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document.write( "     A firm sells its product for R200 per unit. The cost per unit (per month) is 80 + x , where x represents the number of units sold per month. \r\n" );
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says about units per month.\r
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\n" ); document.write( "\n" ); document.write( "The question \r
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document.write( "     What is the marginal profit at a production level of 20 units?\r\n" );
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tells about units, but not about \"units per month\"   (as it should be).\r
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\n" ); document.write( "\n" ); document.write( "==============>   It is not a way to formulate Math problem.\r
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\n" ); document.write( "\n" ); document.write( "Math problems are not \"playing words\".
\n" ); document.write( "Math problems use precise formulations, that do not leave the room for questions \"What is it ?\"   or   \"What does it mean ?\" \r
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