document.write( "Question 1064418: Of the following choices of dog food, which bag is the cheapest in cost per pound of protein?
\n" ); document.write( "Bag Price Weight Percent Protein
\n" ); document.write( "A $5.00 5.0 lbs 15%
\n" ); document.write( "B $6.75 5.0 lbs 19%
\n" ); document.write( "C $7.50 5.0 lbs 23%
\n" ); document.write( "D $8.25 5.0 lbs 25%
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Algebra.Com's Answer #679467 by Theo(13342)\"\" \"About 
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you want to find the cost per pound of protein.\r
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\n" ); document.write( "\n" ); document.write( "A. cost per pound of protein = 5.00 / (.15 * 5) = 6.67
\n" ); document.write( "B. cost per pound of protein = 6.75 / (.19 * 5) = 7.11
\n" ); document.write( "C. cost per pound of protein = 7.5 / (.23 * 5) = 6.52
\n" ); document.write( "D. cost per pound of protein = 8.,25 / (.25 * 5) = 6.6\r
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\n" ); document.write( "\n" ); document.write( "looks like selection C is the winner.\r
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\n" ); document.write( "\n" ); document.write( "you multiply the nunmber of pounds of dog food by the percent protein to get the number of pounds of protein.\r
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\n" ); document.write( "\n" ); document.write( "you then divide the price by the number of pounds of protein.\r
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\n" ); document.write( "\n" ); document.write( "the formulas above do that in one shot.\r
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