Seudónimo Seudónimo
  • 25-01-2017
  • Mathematics
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please help 17dont get it

please help 17dont get it class=

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23rasch
23rasch 23rasch
  • 25-01-2017
What it means is to add up all of the numbers (6.74+5.21+5.53+3.52), then divide what you get by 30. That will get you an average. 
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Please can someone help me?