document.write( "Question 1054640: Terrance purchased a total of 10 pens and pencils for $4. Pens cost 50 cents and pencils cost 25 cents. Terrance wrote the system of equations below to represent the situation.\r
\n" ); document.write( "\n" ); document.write( "{ x+y=10
\n" ); document.write( "{1/2x+1/4y=4\r
\n" ); document.write( "\n" ); document.write( "what units are associated with the expressions in the second equation?
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Algebra.Com's Answer #669818 by ikleyn(52781)\"\" \"About 
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