SOLUTION: Half of the class scored 90 in the test.One-third of the class scored 87.One-sixth of the class scored 89.What is the average of the entire class?
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Question 1062686: Half of the class scored 90 in the test.One-third of the class scored 87.One-sixth of the class scored 89.What is the average of the entire class?
Found 2 solutions by josmiceli, ikleyn:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
How big the class is does not
change the problem, so I'll say
there are people in the class
got
got
got
------------------------------------
[ average ] = [ total of scores ] / [ number of people ]
Average =
Average =
Average =
88.833 %
Get a 2nd opinion, too
Answer by ikleyn(52778) (Show Source): You can put this solution on YOUR website!
.
Agree and confirm.
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