Question
The average score received by Kathy, Winnie, Yen and Gem in a recent Chinese test was 64 marks. Kathy and Winnie both got 8k marks each while Yen got half of Gem's marks. How many marks did Yen score for the test? Express your answer in terms of k.
3 m

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The average score received by Kathy, Winnie, Yen and Gem in a recent Chinese test was 64 marks. Kathy and Winnie both got 8k marks each while Yen got half of Gem's marks. How many marks did Yen score for the test? Express your answer in terms of k.