document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=698755>Question 698755</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mr. Williams, had three television sets which were of the same cost price. He sold one at cost price, one at 20% more than cost price and one at 15% more than cost price. If he received a total of $670, how much was his profit? </SPAN>\n" );
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document.write( "Let us assume that the cost price of the all three television set is x, <BR>\n" );
document.write( "now selling price of each television set is:<BR>\n" );
document.write( "1st TV set SP = $x , <BR>\n" );
document.write( "2nd TV set SP = 20% of x + x <BR>\n" );
document.write( "= 0.2 x + x <BR>\n" );
document.write( "= 1.2x <BR>\n" );
document.write( "3rd TV set SP = 15% of x + x <BR>\n" );
document.write( "              = 0.15x + x <BR>\n" );
document.write( "              = 1.15x \r<BR>\n" );
document.write( "\n" );
document.write( "total amount he recived after selling the television set is: $670 <BR>\n" );
document.write( "hence we get: <BR>\n" );
document.write( "x + 1.20x + 1.15x = 670 <BR>\n" );
document.write( "3.35x = 670 <BR>\n" );
document.write( "x = 670/3.35 <BR>\n" );
document.write( "x = 67000 / 335 <BR>\n" );
document.write( "x = $200<BR>\n" );
document.write( "hence the cost price of the each television is $200.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );