document.write( "Question 713346: The manager of a farmer's market has 300 lb of grain that costs $1.80 per pound. How many pounds of meal costing $0.80 per pound should be mixed with the 300 lb of grain to produce a mixture that costs $1.40 per pound? \n" ); document.write( "
Algebra.Com's Answer #438393 by nshah11(47)\"\" \"About 
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(1.8(300) + 0.8x)/(300 + x) = 1.4\r
\n" ); document.write( "\n" ); document.write( "540 + 0.8x = 420 + 1.4x\r
\n" ); document.write( "\n" ); document.write( "120 = 0.6x \r
\n" ); document.write( "\n" ); document.write( "x = 200 lbs
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