ale72 ale72
  • 24-05-2017
  • Mathematics
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what is the mean of 9 , 12 z and 15 stamps

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joevidan
joevidan joevidan
  • 24-05-2017
9+12+15=36 36/3=12 hope that helps
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storm2322
storm2322 storm2322
  • 24-05-2017
Add all of them together and then divide the sum by the amount of numbers there was (3). Hope this helps
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