document.write( "Question 985346: A wild bird seed mix is made by combining 150lb of millet seed costing $.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 #606156 by vleith(2983)\"\" \"About 
You can put this solution on YOUR website!
Let S be the number of pounds of sunflower seed. The total of the result will be \"150%2BS\"\r
\n" ); document.write( "\n" ); document.write( "\"150%2A0.5++%2B+S%2A1.4++=+%28150%2BS%29+%2A+0.8\"
\n" ); document.write( "\"75+%2B+1.4S+=+120+%2B+0.8S\"
\n" ); document.write( "\"0.6S+=+45\"
\n" ); document.write( "\"S+=+75\"\r
\n" ); document.write( "\n" ); document.write( "Add in 75 pounds of sunflower
\n" ); document.write( "
\n" );