document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1196657>Question 1196657</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two factory plants are making TV panels. Yesterday, Plant A produced 6000 fewer panels than Plant B did. Three percent of the panels from Plant A and 4% of the panels from Plant B were defective. How many panels did Plant B produce, if the two plants together produced 800 defective panels?  </SPAN>\n" );
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document.write( "x = number of panels from plant B<BR>\n" );
document.write( "x-6000 = number of panels from plant A\r<BR>\n" );
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document.write( "3% of (x-6000) = 0.03(x-6000) = number of defective panels from plant A<BR>\n" );
document.write( "4% of x = 0.04x = number of defective panels from plant B\r<BR>\n" );
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document.write( "0.03(x-6000)+0.04x = total number of defective panels<BR>\n" );
document.write( "0.03(x-6000)+0.04x = 800<BR>\n" );
document.write( "0.03x-180+0.04x = 800<BR>\n" );
document.write( "0.07x-180 = 800<BR>\n" );
document.write( "0.07x = 800+180<BR>\n" );
document.write( "0.07x = 980<BR>\n" );
document.write( "x = 980/0.07<BR>\n" );
document.write( "x = <font color=red>14000</font> panels from plant B<BR>\n" );
document.write( "x-6000 = 14000 - 6000 = 8000 panels from plant A\r<BR>\n" );
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document.write( "Check:<BR>\n" );
document.write( "3% of A = 0.03*8000 = 240 defective panels from A<BR>\n" );
document.write( "4% of B = 0.04*14000 = 560 defective panels from B<BR>\n" );
document.write( "240+560 = 800 defective panels total<BR>\n" );
document.write( "The answer is confirmed.<BR>\n" );
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document.write( "Answer: <font color=red>14000 panels</font> were produced by plant B.<BR>\n" );
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