Mathematics, 22.02.2021 19:10 ayoismeisalex

There are 5 boys and 10 girls in a class. The class has a test.

The mean mark for all the class is 60.

The mean mark for the girls is 50.

Work out the mean mark for the boys.

Answers: 1

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There are 5 boys and 10 girls in a class. The class has a test.

The mean mark for all...

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More questions: Mathematics Another questions

There are 5 boys and 10 girls in a class. The class has a test. The mean mark for all the class is 60. The mean mark for the girls is 50. Work out the mean mark for the boys.

Answers

Another question on Mathematics

There are 5 boys and 10 girls in a class. The class has a test.

The mean mark for all the class is 60.

The mean mark for the girls is 50.

Work out the mean mark for the boys.