document.write( "Question 1100643: The OfficeJet printer can copy Lisa's
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\n" ); document.write( "dissertation in 18
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\n" ); document.write( "min. The LaserJet printer can copy the same document in 22
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\n" ); document.write( "min. If the two machines work​ together, how long would they take to copy the​ dissertation?
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Algebra.Com's Answer #715157 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"1%2F18%2B1%2F22\"\r
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\n" ); document.write( "\n" ); document.write( "time for Lisa's dissertation:
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\n" ); document.write( "\n" ); document.write( "9 minutes 54 seconds
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