document.write( "Question 123383: This problem has me perplexed. Help me please!\r
\n" ); document.write( "\n" ); document.write( "How many pounds of a chicken feed that sells for $5 per pound must be mixed with
\n" ); document.write( "400 pounds of a feed that sells for $8 per pound to make a chicken feed that sells for $7.50?
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Algebra.Com's Answer #90574 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
5X+400*8=7.5(400+X)
\n" ); document.write( "5X+3200=3000+7.5X
\n" ); document.write( "5X-7.5X=3000-3200
\n" ); document.write( "-2.5X=-200
\n" ); document.write( "X=-200/-2.5
\n" ); document.write( "X=80 POUNDS OF CHICKEN IS NEEDED.
\n" ); document.write( "PROOF.
\n" ); document.write( "5*80+3200=7.5(480)
\n" ); document.write( "400+3200=3600
\n" ); document.write( "3600=3600\r
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