Question
The average score received by Roshel, Kathy, Rachel and Elyse in a recent Social Studies test was 86 marks. Roshel and Kathy both got 8x marks each while Rachel got half of Elyse's marks. How many marks did Rachel score for the test? Express your answer in terms of x.
3 m

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The average score received by Roshel, Kathy, Rachel and Elyse in a recent Social Studies test was 86 marks. Roshel and Kathy both got 8x marks each while Rachel got half of Elyse's marks. How many marks did Rachel score for the test? Express your answer in terms of x.