document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1035249>Question 1035249</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi<BR>\n" );
document.write( "a car salesman purchases 10 cars for 12000 dollars each. He sells 7 of them at a profit of 16 percent each. He wishes to sell the remaining 3 carsfor the same price each and at a price that will give him a 15 percent profit overall for the 10 cars.what price should he sell each of the remaining cars for.\r<BR>\n" );
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document.write( "thank u </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #649913 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=649913\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if he wants to make 15% overall, then his total profit needs to be 10 * 12000 * .15 = 18000.\r<BR>\n" );
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document.write( "he sold 7 at 16% profit.\r<BR>\n" );
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document.write( "profit on the 7 was therefore 7 * 12000 * 16/100 = 13440.\r<BR>\n" );
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document.write( "the remaining 3 need to earn him 18000 - 13440 = 4560.\r<BR>\n" );
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document.write( "you get 3 * x = 4560.\r<BR>\n" );
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document.write( "solve for x to get x = 4560 / 3 = 1520.\r<BR>\n" );
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document.write( "1520 / 12000 = .1266666.....\r<BR>\n" );
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document.write( "multiply that by 100 and you get that he needs to earn 12 and 2/3 % profit on the remaining 3.\r<BR>\n" );
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document.write( "you get:\r<BR>\n" );
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document.write( "7 * 16 / 100 * 12000 = 13440<BR>\n" );
document.write( "3 * (12 + 2/3) / 100 * 12000 = 4560<BR>\n" );
document.write( "13440 + 4560 = 18000.\r<BR>\n" );
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document.write( "total profit is 18000.<BR>\n" );
document.write( "18000 / (10 * 12000) = 18000 / 120000 = .15 = 15%.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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