SOLUTION: One optical scanner can read and grade a set of standard answer
sheets in; the time it takes another scanner to do the same job.
Together they can read and grade the sheets in 12
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-> SOLUTION: One optical scanner can read and grade a set of standard answer
sheets in; the time it takes another scanner to do the same job.
Together they can read and grade the sheets in 12
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Question 1191717: One optical scanner can read and grade a set of standard answer
sheets in; the time it takes another scanner to do the same job.
Together they can read and grade the sheets in 12 min. How long
would it take each scanner alone to do the job? Pls explain how to do this I’m have no clue.
Thanks Answer by ikleyn(52781) (Show Source):
