Mathematics
Mathematics, 04.06.2020 12:57, brucewayne390

Class A has 13 pupils and class B has 30 pupils. Both classes sit the same maths test.
The mean score for class A is 45.
The mean score for both classes is 66.
What is the mean score (rounded to 1 DP) in the maths test for class B?
quickest answer gets brainliest :))

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Class A has 13 pupils and class B has 30 pupils. Both classes sit the same maths test.
The me...

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