document.write( "Question 408794: a store sells regular coffee for $4 a pound
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document.write( "and a gourmet coffee for $7 a pound
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document.write( "to get rid of 40 pounds
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document.write( "of the gourmet coffee,the shopkeeper plans to make
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document.write( "a gourmet blend to sell
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document.write( "for $5 a pound.
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document.write( "how many pounds of regular coffee should be used?\r
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document.write( "thanks for your help! \n" );
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Algebra.Com's Answer #287913 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! a store sells regular coffee for $4 a pound \n" ); document.write( "and a gourmet coffee for $7 a pound \n" ); document.write( "to get rid of 40 pounds \n" ); document.write( "of the gourmet coffee,the shopkeeper plans to make \n" ); document.write( "a gourmet blend to sell \n" ); document.write( "for $5 a pound. \n" ); document.write( "how many pounds of regular coffee should be used? \r \n" ); document.write( "\n" ); document.write( "..\r \n" ); document.write( "\n" ); document.write( "let x=pounds of regular coffee to be use to make the blend \n" ); document.write( "cost of this regular coffee=4x \n" ); document.write( "cost of the gourmet coffee=40*7=280 \n" ); document.write( "cost of the new blend=(40+x)*5\r \n" ); document.write( "\n" ); document.write( "4x+40*7=(40+x)*5 \n" ); document.write( "4x+280=200+5x \n" ); document.write( "x=80 pounds \n" ); document.write( "ans: \n" ); document.write( "80 pounds of regular coffee should be used to make a gourmet blend. \n" ); document.write( " |