Exam average
The average of marks that have on the certificates students of 8 A class in mathematics is exactly 2.45. If we did not add 1 and 3 of students Michael and Alena, who arrived a month ago, it would average exactly 2.5.
Determine how many students have class 8 A.
Your answer:
Determine how many students have class 8 A.
Your answer:
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