document.write( "Question 1111979: A nursery decides to make a grass seed blend by mixing rye seed that sells for $4.20 per pound with bluegrass seed that sells for $3.75 per pound. The final mix is 180 pounds and sells for $3.95 a pound. How much of each type was used? \n" ); document.write( "
Algebra.Com's Answer #726986 by josgarithmetic(39617)\"\" \"About 
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r, rye seed
\n" ); document.write( "b, bluegrass seed\r
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\n" ); document.write( "\n" ); document.write( "\"system%28r%2Bb=180%2C4.2r%2B3.75b=180%2A3.95%29\"\r
\n" ); document.write( "\n" ); document.write( ",\r
\n" ); document.write( "\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( "\"system%28r=80%2Cb=100%29\"
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