perplexus.info :: Just Math : Mean = median

Mean = median (Posted on 2014-02-20)

Add a fifth number to the set {3,7,9,10} so that the mean is equal to the median of the set.

Show whether or not it is possible to create a set of numbers where the same problem yields more solutions than the above.

No Solution Yet Submitted by Jer

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1st part only

| Comment 1 of 4

3+7+9+10=29

29+m=5*m

m=29/4=7.25

Posted by Ady TZIDON on 2014-02-20 13:15:33

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