Question
The average score received by Irene, Joelle, Hilda and Shiyun in a recent Mathematics test was 83 marks. Irene and Joelle both got 8f marks each while Hilda got half of Shiyun's marks. How many marks did Hilda score for the test? Express your answer in terms of f.
3 m

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The average score received by Irene, Joelle, Hilda and Shiyun in a recent Mathematics test was 83 marks. Irene and Joelle both got 8f marks each while Hilda got half of Shiyun's marks. How many marks did Hilda score for the test? Express your answer in terms of f.