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October 20, 2014

October 20, 2014

Posted by **Samantha** on Wednesday, July 11, 2012 at 4:20am.

- Math -
**Reiny**, Wednesday, July 11, 2012 at 7:23am5 numbers: a, a, b, c, c

mean = 20

--> (2a + b + 2c)/5 = 20

2a + b + 2c = 100

median = 30

---> b = 30

so we have

2a + 30 + 2c = 100

2a + 2c = 70

a+c=35

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