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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Subject	Author	Date
re: solution	Jer	2014-02-21 01:03:35
A lot of algebra and a little geometry	Steve Herman	2014-02-20 22:32:04
solution	Charlie	2014-02-20 16:07:36
1st part only	Ady TZIDON	2014-02-20 13:15:33

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