document.write( "Question 97741: A coffee house has 20 pounds of a coffee that sells for $4 per pound. How many pounds of a coffee that sells for $8 per pound should be mixed with the 20 pouds of $4 per pound coffee to obtain a blend that will sell for $5? How much of the $5 per pound coffee is there to sell? \n" ); document.write( "
Algebra.Com's Answer #71188 by Nate(3500)\"\" \"About 
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(4(20) + 8(x))/(20 + x) = 5
\n" ); document.write( "80 + 8x = (20 + x)5
\n" ); document.write( "80 + 8x = 100 + 5x
\n" ); document.write( "3x = 20
\n" ); document.write( "x = 20/3 pounds of 8$ per pound
\n" ); document.write( "20 + 20/3 = 60/3 + 20/3 = 80/3 pounds in all
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