tania0114 tania0114
  • 02-11-2018
  • Mathematics
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predict the time needed to deliver 72 papers at a rate of 9 papers in 18 min

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salatulmaghrib
salatulmaghrib salatulmaghrib
  • 02-11-2018
Notice that the number of minutes is double the number of papers. So, 72 papers will take 72*2=144 minutes to deliver. 144 minutes = 2 hours and 24 minutes.
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