document.write( "Question 196618: For the following function, C computes a value, where if you add millions of dollars to the value, the result is the cost of implementing a city recycling project when x , as a percent (not its decimal equivalent), citizens participate.
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document.write( "C(x)=1.5x/100-x\r
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document.write( "a) Using this model, determine the cost if 60% of the citizens participate?\r
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document.write( " Answer:
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document.write( " Show your work here:\r
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document.write( "b) Using this model, find the percentage of participation that can be expected if $5 million is spent on this recycling project? Set up an equation and solve algebraically. Round to the nearest whole percent.
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Algebra.Com's Answer #147362 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! For the following function, C computes a value, where if you add millions of dollars to the value, the result is the cost of implementing a city recycling project when x , as a percent (not its decimal equivalent), citizens participate. \r \n" ); document.write( "\n" ); document.write( "C(x)=1.5x/100-x \n" ); document.write( "a) Using this model, determine the cost if 60% of the citizens participate? \n" ); document.write( "Answer: \n" ); document.write( "C(60) = 1.5*60/(40) = $2.25 million dollars \n" ); document.write( "------------------------------------------------------\r \n" ); document.write( "\n" ); document.write( "Show your work here: \r \n" ); document.write( "\n" ); document.write( "b) Using this model, find the percentage of participation that can be expected if $5 million is spent on this recycling project? Set up an equation and solve algebraically. Round to the nearest whole percent. \n" ); document.write( "C(x)=1.5x/100-x \n" ); document.write( "5 = 1.5x/(100-x) \n" ); document.write( "Cross-multiply to get: \n" ); document.write( "500-5x = 1.5x \n" ); document.write( "500 = 6.5x \n" ); document.write( "x = 76.92 percent \n" ); document.write( "====================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |