document.write( "Question 881330: The comfort coffee company wants to mix 20 pounds of their smooth blend worth $3 a pound with their special blend worth $5 a pound in order to create a new blend of coffee worth $3.50 a pound. How many pounds of the special blend should be added to the smooth blend? \n" ); document.write( "
Algebra.Com's Answer #532140 by josmiceli(19441)\"\" \"About 
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Let \"+x+\" = pounds of special blend
\n" ); document.write( "to be added
\n" ); document.write( "\"+3%2A20+=+60+\" dollars worth of
\n" ); document.write( "the smooth blend is being used
\n" ); document.write( "\"+%28+60+%2B+5x+%29+%2F+%28+20+%2B+x+%29+=+3.5+\"
\n" ); document.write( "-------------------------------------------
\n" ); document.write( "\"+60+%2B+5x+=+3.5%2A%28+20+%2B+x+%29+\"
\n" ); document.write( "\"+60+%2B+5x+=+70+%2B+3.5x+\"
\n" ); document.write( "\"+1.5x+=+10+\"
\n" ); document.write( "\"+x+=+6.667+\"
\n" ); document.write( "6 and 2/3 pounds of the special blend should be added
\n" ); document.write( "check:
\n" ); document.write( "\"+%28+60+%2B+5x+%29+%2F+%28+20+%2B+x+%29+=+3.5+\"
\n" ); document.write( "\"+%28+60+%2B+5%2A6.667+%29+%2F+%28+20+%2B+6.667+%29+=+3.5+\"
\n" ); document.write( "\"+93.333+=+3.5%2A26.667+\"
\n" ); document.write( "\"+93.333+=+93.333+\"
\n" ); document.write( "OK\r
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