document.write( "Question 67477: A coffee merchant has coffee beans that sell for $9 per pound and $12 per pound. The two types are to be mixed to create 100 lb of mixure that will sell for $11.25 per pound. How much of each type of bean should be used in the mixure?\r
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document.write( "Any help is appreciated. Thanks \n" );
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Algebra.Com's Answer #47998 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A coffee merchant has coffee beans that sell for $9 per pound and $12 per pound. The two types are to be mixed to create 100 lb of mixure that will sell for $11.25 per pound. How much of each type of bean should be used in the mixure? \n" ); document.write( "----------- \n" ); document.write( "Amount of $9 coffee is \"x\" lbs; Value of these is 9x dollars \n" ); document.write( "Amount of $12 coffee is \"100-x\" lbs; Value of these is 12(100-x)=1200-12x dollars \n" ); document.write( "Amount of mixed coffee is 100 lbs; Value of these is 11.25(100)=1125 dollars \n" ); document.write( "------------------------- \n" ); document.write( "EQUATION: \n" ); document.write( "vaue + value = value \n" ); document.write( "9x + 1200-12x = 1125 \n" ); document.write( "-3x=-75 \n" ); document.write( "x=25 lbs (amount of $9 coffee) \n" ); document.write( "100-x=75 lbs (amount of $12 coffee) \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |