document.write( "Question 987702: How many pounds of candy worth $8 per lb should be mixed with 100 lb of candy worth $4 per lb to get a mixture that can be sold for $7 per lb? \n" ); document.write( "
Algebra.Com's Answer #608454 by Edwin McCravy(20059)\"\" \"About 
You can put this solution on YOUR website!
How many pounds of candy worth $8 per lb should be mixed with 100 lb of candy
\n" ); document.write( "worth $4 per lb to get a mixture that can be sold for $7 per lb?
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document.write( "Let the number of lbs of the pricer candy we must add be x\r\n" );
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document.write( "Type       Number     Price    Value\r\n" );
document.write( " of          of       per        of\r\n" );
document.write( "candy       lbs        lb      candy\r\n" );
document.write( "-------------------------------------------\r\n" );
document.write( "pricier      x         $8       $8x\r\n" );
document.write( "cheaper    100         $4       $4(100)\r\n" );
document.write( "-------------------------------------------\r\n" );
document.write( "TOTALS    100+x        $7      $7(100+x)\r\n" );
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document.write( " The equation comes from the column on the right\r\n" );
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document.write( "  \"%28matrix%284%2C1%2CValue%2Cof%2Cpricier%2Ccandy%29%29\"\"%22%22%2B%22%22\"\"%28matrix%284%2C1%2CValue%2Cof%2Ccheaper%2Ccandy%29%29\"\"%22%22=%22%22\"\"%28matrix%285%2C1%2CTotal%2Cvalue%2Cof%2CALL%2Ccandy%29%29\"\r\n" );
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document.write( "8x + 4(100) = 7(100+x)\r\n" );
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document.write( "Now you can finish.\r\n" );
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document.write( "Edwin

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