24-05-2017
Mathematics

contestada

what is the mean of 9 , 12 z and 15 stamps

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joevidan joevidan

24-05-2017

9+12+15=36 36/3=12 hope that helps

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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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