document.write( "Question 1145881: Hi
\n" ); document.write( "the ratio of the cost of a file to a pen is 3:1.the file costs $1.60 more than the pen. Find the average cost per item of 5 files and 3 pens.\r
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Algebra.Com's Answer #767148 by josgarithmetic(39617)\"\" \"About 
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file, 3p
\n" ); document.write( "pen, p\r
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\n" ); document.write( "\n" ); document.write( "\"3p=p%2B1.6\"\r
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\n" ); document.write( "\n" ); document.write( "\"2p=1.6\"\r
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\n" ); document.write( "\n" ); document.write( "\"p=0.8\"\"and\"\"3p=2.4\"\r
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\n" ); document.write( "Find the average cost per item of 5 files and 3 pens.
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\n" ); document.write( "\n" ); document.write( "\"%285%2A2.4%2B3%2A0.8%29%2F%285%2B3%29\"
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