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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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3 votes
Here are four number cards : 5 6 7 8
pick three cards so that their mean is 7

User Aajan
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1 Answer

3 votes
5,7,8 they all equal 21, 21 divided by 3 is 7
User Hallvors
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