harleylisa1 harleylisa1
  • 15-11-2017
  • Mathematics
contestada

A type is typically makes an error on one out of every 21 documents they complete if the typist can complete 120 documents an hour how many errors does he make in three and a half hours

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W0lf93
W0lf93 W0lf93
  • 23-11-2017
Answer: 21 document= 1 error 120 document= 1 hour in three and a half hours= 21 mistakes
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