document.write( "Question 1151890: Three varieties of coffee long dash— Coffee​ A, Coffee​ B, and Coffee C long dash— are combined and​ roasted, yielding a 5151​-lb batch of coffee beans. Twice as many pounds of Coffee​ C, which retails for ​$11.2411.24 per​ lb, are needed as Coffee​ A, which sells for ​$15.2115.21 per lb. Coffee B retails for ​$13.9913.99 per lb. How many pounds of each coffee should be used in a blend that sells for ​$13.4513.45 per​ lb?
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Algebra.Com's Answer #773751 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
Too many doublings in your description.\r
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document.write( "COFFEE     PRICE      QTY       COST\r\n" );
document.write( "A          $15.21      x       15.21x\r\n" );
document.write( "B          $13.99      y       13.99y\r\n" );
document.write( "C          $11.24     2x       22.48x\r\n" );
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document.write( "TOTAL                 51\r\n" );
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\n" ); document.write( "\n" ); document.write( "The quantity equation is obvious. \r
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\n" ); document.write( "\n" ); document.write( "The PRICE equation for the given 13.45 per pound is the sum of the COST column items divided by 51, equal to 13.45.\r
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\n" ); document.write( "\n" ); document.write( "Setup the system , simplify and solve.
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