document.write( "Question 108699: Can someone show me how to do this one?\r
\n" ); document.write( "\n" ); document.write( "Business and Finance. The demand equation for a certain type of printer is given by \r
\n" ); document.write( "\n" ); document.write( "D= -200p + 35,000
\n" ); document.write( "The supply equation is predicted to be
\n" ); document.write( "S= -p^2 + 400p - 20,000
\n" ); document.write( "Find the eqilibrium price.\r
\n" ); document.write( "\n" ); document.write( "Thank you!
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Algebra.Com's Answer #79265 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
equilibrium price is when supply equals demand\r
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\n" ); document.write( "\n" ); document.write( "-p^2+400p-20000=-200p+35000 ... 0=p^2-600p+55000
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