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There are 10 girls and 20 boys in a class.the class has a test. The mean marks for all the class is 60 . The mean marks for all the boys is 62 Work out the mean marks for the girls?
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There are 10 girls and 20 boys in a class.the class has a test.

The mean marks for all the class is 60 .
The mean marks for all the boys is 62
Work out the mean marks for the girls?

User AlexeyVMP
by
8.4k points

2 Answers

3 votes

Answer:

58

Explanation:

User Oybek
by
7.4k points
3 votes

the answer is 58 for the girls

User Per Mikkelsen
by
7.9k points
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