document.write( "Question 731813: if 5 pens cost £3.60, find the cost of 12 pens?
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Algebra.Com's Answer #447318 by rfer(16322)\"\" \"About 
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5/3.60=12/x
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\n" ); document.write( "x=43.20/5
\n" ); document.write( "x=8.64
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