Question
The average score received by Diana, Zoe, Barbara and Opal in a recent Chinese test was 92 marks. Diana and Zoe both got 11w marks each while Barbara got half of Opal's marks. How many marks did Barbara score for the test? Express your answer in terms of w.
3 m

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The average score received by Diana, Zoe, Barbara and Opal in a recent Chinese test was 92 marks. Diana and Zoe both got 11w marks each while Barbara got half of Opal's marks. How many marks did Barbara score for the test? Express your answer in terms of w.