document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1016820>Question 1016820</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tom bought a computer for 15% off from the list price of p dollars. If the sales tax was 8%, how much did he pay for the computer including sales tax? </SPAN>\n" );
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document.write( "list price = p\r<BR>\n" );
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document.write( "sale price = p - .15 * p = (1 - .15) * p = .85 * p.\r<BR>\n" );
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document.write( "tax on sale price = .08 * .85 * p = .068 * p.\r<BR>\n" );
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document.write( "total price = sale price + tax on sale price becomes:\r<BR>\n" );
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document.write( "total price = .85 * p + .068 * p = (.85 + .068) * p = .918 * p.\r<BR>\n" );
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document.write( "he paid .918 * p for the computer.\r<BR>\n" );
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document.write( "this price included the tax on the sale price.\r<BR>\n" );
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document.write( "for example:\r<BR>\n" );
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document.write( "if the list price was 250 dollars, then he paid .918 * 250 = 229.5.\r<BR>\n" );
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document.write( "the list price was 250.<BR>\n" );
document.write( "the sale price was .85 * 250 = 212.5<BR>\n" );
document.write( "the tax on the sale price was .08 * 212.5 = 17<BR>\n" );
document.write( "the total price was the sale price plus the tax on the sale price = 212.5 + 17 = 229.5.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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