document.write( "Question 809561: at a sale price of the washing machine was reduced by 12% to $440.what was the original price of the washing machine? \n" ); document.write( "
Algebra.Com's Answer #487649 by Edwin McCravy(20055)\"\" \"About 
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document.write( "      \"%28matrix%282%2C1%2C%0D%0AREDUCED%2C+PRICE%29%29\"\"%22%22=%22%22\"\"%28matrix%282%2C1%2C%0D%0AORIGINAL%2C+PRICE%29%29\"\"%22%22-%22%22\"\"%28matrix%284%2C1%2C%0D%0A%2212%25%22%2COF%2CORIGINAL%2C+PRICE%29%29\"\r\n" );
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document.write( "      \"%28matrix%282%2C1%2C%0D%0AREDUCED%2C+PRICE%29%29\"\"%22%22=%22%22\"\"%28matrix%282%2C1%2C%0D%0AORIGINAL%2C+PRICE%29%29\"\"%22%22-%22%22\"\"%28matrix%284%2C1%2C%0D%0A0.12%2CTIMES%2CORIGINAL%2C+PRICE%29%29\"\r\n" );
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document.write( "      \"%28matrix%282%2C1%2C%0D%0AREDUCED%2C+PRICE%29%29\"\"%22%22=%22%22\"\"%28matrix%282%2C1%2C%0D%0AORIGINAL%2C+PRICE%29%29\"\"%22%22-%22%22\"\"%280.12%29\"\"%22%22%2A%22%22\"\"%28matrix%282%2C1%2C%0D%0AORIGINAL%2C+PRICE%29%29\"\r\n" );
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document.write( "Let X = the original price so\r\n" );
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document.write( "      \"%28matrix%282%2C1%2C%0D%0AREDUCED%2C+PRICE%29%29\"\"%22%22=%22%22\"\"%28matrix%282%2C1%2C%0D%0AORIGINAL%2C+PRICE%29%29\"\"%22%22-%22%22\"\"%280.12%29\"\"%22%22%2A%22%22\"\"%28matrix%282%2C1%2C%0D%0AORIGINAL%2C+PRICE%29%29\"\r\n" );
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document.write( "      ($440) = ($X) - (0.12)\"%22%22%2A%22%22\"($X)\r\n" );
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document.write( "         440 = X - 0.12X\r\n" );
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document.write( "Now think of X as 1X and write as 1.00X to make it easy to subtract:\r\n" );
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document.write( "         440 = 1.00X - 0.12X\r\n" );
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document.write( "Combine the like terms on the right, subtracting like this: 1.00X\r\n" );
document.write( "                                                           -0.12X\r\n" );
document.write( "                                                            0.88X\r\n" );
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document.write( "         440 = 0.88X\r\n" );
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document.write( "Divide both sides by 0.88\r\n" );
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document.write( "        \"440%2F0.88\" = \"0.88X%2F0.88\"\r\n" );
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document.write( "        500 = X\r\n" );
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document.write( "So the original price was $500.\r\n" );
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document.write( "Edwin
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