Class A has 20 pupils and class B has 22 pupils. Both classes sit the same maths test. The mean score for class A is 40. The mean score for both classes is 47. What is the mean score (rounded to 2 DP)

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asked Mar 17, 2022 210k views

10 votes

Class A has 20 pupils and class B has 22 pupils.

Both classes sit the same maths test.
The mean score for class A is 40.
The mean score for both classes is 47.
What is the mean score (rounded to 2 DP) in the maths test for class B?

Mathematics
high-school

Waka asked

by Waka

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2 Answers

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40×20=800 i just gest so if you wana delite my answer go then

Lakshmikandan answered Mar 19, 2022

by Lakshmikandan

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5 votes

What is the question?

Ng Sek Long answered Mar 22, 2022

by Ng Sek Long

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