document.write( "Question 375859: A store owner has 12 pounds of pasta worth 70 cents a pound. She wants to mix it with pasta worth 45 cents a pound so that the total mixture can be sold for 55 cents a pound (without any gain or loss). How much of the 45 cent pasta must she use? \n" ); document.write( "
Algebra.Com's Answer #267624 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Let A be the amount of 45 cents/lb pasta.
\n" ); document.write( "\"45A%2B70%2812%29=55%28A%2B12%29\"
\n" ); document.write( "\"45A%2B840=55A%2B660\"
\n" ); document.write( "\"10A=180\"
\n" ); document.write( "\"highlight%28A=18%29\" lbs.
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