karinkamal812 karinkamal812
  • 17-03-2021
  • Mathematics
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here are four number cards : 5 6 7 8
pick three cards so that their mean is 7

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ChristTheLord
ChristTheLord ChristTheLord
  • 17-03-2021
5,7,8 they all equal 21, 21 divided by 3 is 7
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