Question
The average score received by Gabby, Hazel, Xuan and Olivium in a recent Mathematics test was 67 marks. Gabby and Hazel both got 8y marks each while Xuan got half of Olivium's marks. How many marks did Xuan score for the test? Express your answer in terms of y.
3 m

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The average score received by Gabby, Hazel, Xuan and Olivium in a recent Mathematics test was 67 marks. Gabby and Hazel both got 8y marks each while Xuan got half of Olivium's marks. How many marks did Xuan score for the test? Express your answer in terms of y.