document.write( "Question 335455: How much coffee costing 85 cents a pound must be added to 150 pounds costing 90 cents a pound to make a mixture costing 87 cents a pound? \n" ); document.write( "
Algebra.Com's Answer #240430 by stanbon(75887)\"\" \"About 
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How much coffee costing 85 cents a pound must be added to 150 pounds costing 90 cents a pound to make a mixture costing 87 cents a pound?
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\n" ); document.write( "value + value = value
\n" ); document.write( "85x + 90*150 = 87(x+150)
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\n" ); document.write( "85x + 90*150 = 87x + 87*150
\n" ); document.write( "2x = 3*150
\n" ); document.write( "x = 3*75
\n" ); document.write( "x = 235 lbs. (amt of 85 cent coffee needed in the mixture)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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