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OpenStudy (anonymous):
three of four numbers have a sum of 22. if the average of four numbers is 8, what is the fourth number?
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OpenStudy (anonymous):
Well, the fourth number is 10. This is because any four numbers that average to be 8 will have a sum of 32. The difference between 22 and 32 is 10.
OpenStudy (anonymous):
Thank you awesome!
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