SOLUTION: the average of a set of seven numbers is exactly 81 if one of the numbers is discarded the average of the remaining numbers is exactily 78 which number was discarded?
a.89
b.92
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-> SOLUTION: the average of a set of seven numbers is exactly 81 if one of the numbers is discarded the average of the remaining numbers is exactily 78 which number was discarded?
a.89
b.92
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Question 313498: the average of a set of seven numbers is exactly 81 if one of the numbers is discarded the average of the remaining numbers is exactily 78 which number was discarded?
a.89
b.92
c.97
d.99 Answer by scott8148(6628) (Show Source):
