document.write( "Question 239549: The cost of producing 4 units is $204.80. The cost of producing 8 units is $209.60. How much does it cost to produce 12 units? \n" ); document.write( "
Algebra.Com's Answer #175816 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 4x+y=204.80 \n" ); document.write( "-(8x+y=209.60) subtract \n" ); document.write( "--------------------- \n" ); document.write( "-4x=-4.8 \n" ); document.write( "x=-4.8/-4 \n" ); document.write( "x=1.2 multiplier for each unit produced. \n" ); document.write( "4*1.2+y=204.80 \n" ); document.write( "4.8+y=204.80 \n" ); document.write( "y=204.80-4.8 \n" ); document.write( "y=200 operating/overhead cost. \n" ); document.write( "Proof: \n" ); document.write( "8*1.2+200=209.60 \n" ); document.write( "9.6+200=209.60 \n" ); document.write( "209.60=209.60 \n" ); document.write( "12*1.2+200=14.4+200=$214.10 cost to produce 12 units. \n" ); document.write( " |