document.write( "Question 910607: A wild birdseed mix is made by combining 150 lb of millet seed costing $0.50 per pound with sunflower seeds costing $1.40 per pound. How many pounds of sunflower seeds are needed to make a mixture that costs $0.80 per pound? \n" ); document.write( "
Algebra.Com's Answer #552582 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
http://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev\r
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\n" ); document.write( "\n" ); document.write( "The concentration of the mixture is unit of DOLLARS per POUND.
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