document.write( "Question 966036: Harriet Amato operates a coffee shop. One of her customers wants to but two kinds of beans: Arabian Mocha and Colombian Decaf. If she wants twice as much Mocha as Colombian Decaf, how much of each can she buy for a total of $87.50? (Prices are: Arabian Mocha....$8.50/lb and Colombian Decaf....$8.00/lb.) \n" ); document.write( "
Algebra.Com's Answer #590450 by josmiceli(19441)\"\" \"About 
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Let \"+x+\" = pounds of Columbian Decaf needed
\n" ); document.write( "\"+2x+\" = pounds of Arabian Mocha needed
\n" ); document.write( "---------------------
\n" ); document.write( "\"+8.5%2A%28+2x+%29+%2B+8x+=+87.5+\"
\n" ); document.write( "\"+17x+%2B+8x+=+87.5+\"
\n" ); document.write( "\"+25x+=+87.5+\"
\n" ); document.write( "\"+x+=+3.5+\"
\n" ); document.write( "\"+2x+=+7+\"
\n" ); document.write( "---------------
\n" ); document.write( "7 pounds of Arabian Mocha and 3.5 pounds
\n" ); document.write( "of nColumbian Decaf are needed
\n" ); document.write( "
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