document.write( "Question 1191717: One optical scanner can read and grade a set of standard answer
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document.write( "sheets in; the time it takes another scanner to do the same job.
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document.write( "Together they can read and grade the sheets in 12 min. How long
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document.write( "would it take each scanner alone to do the job? Pls explain how to do this I’m have no clue.\r
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document.write( "Thanks \n" );
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Algebra.Com's Answer #823518 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Some key numerical info is missed / (is lost).\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |