document.write( "Question 404379: How many pounds of extra-lean hamburger that is 7% fat must be mixed with 30 pounds of hamburger that is 15% fat to obtain a mixture that is 10% fat.\r
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document.write( " So far I have .07 + .15
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document.write( "I am not sure what to do with the 30 pounds or the 10% fat. \n" );
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Algebra.Com's Answer #285811 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! x(7%) + 30(15%) = (30 + x)(10%) \n" ); document.write( " |