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OpenStudy (anonymous):
The average of x and y is 5 and the average of x, y, and z is 8, what is the value of z? a.19 b.14 c.13 d.11 e.3
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OpenStudy (anonymous):
x+y=10 and x+y+z=24 Now find z
OpenStudy (anonymous):
14 haha
OpenStudy (anonymous):
i knew there was a really easy way to this, thanks for the refresher
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