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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 gi…
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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 gi…
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Nov 4, 2023
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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?
Mathematics
high-school
AlexeyVMP
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Answer:
58
Explanation:
Oybek
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Nov 4, 2023
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Oybek
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the answer is 58 for the girls
Per Mikkelsen
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Nov 9, 2023
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Per Mikkelsen
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