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27 August, 16:36

Mr. Plum's math class of 25 students had an average of 85 on a test. Miss Scarlett's class of 22 students had an average of 87 on the same test. What is the average of the two classes combined?

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  1. 27 August, 17:03
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    Use ((85x25) + (22x87)) / 47 for this to get the answer of about 86 (rounded)
  2. 27 August, 18:19
    0
    Add the two averages together and then divide it by 2. Thats your answer.
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