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21 votes
A school has 6 fifth grade classes, with a mean class size of 24 students. Five of the classes had 20,27,25,28 and 21; what is the size of the remaining class?

1 Answer

8 votes

Answer:

the remaining class size is 23 students

Explanation:

6*24=144 students in all classes together

144-20-27-25-28-21=23

User Alex McPherson
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