document.write( "Question 263426: A butcher has some hamburger that is 29% fat and some that is 15% fat. How many pounds of each should be mixed to make 63 lb of hamburger that is 17% fat? \n" ); document.write( "
Algebra.Com's Answer #194123 by richwmiller(17219)\"\" \"About 
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.29x+.15(63-x)=.17*63
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