Question
The average score received by Vanessa, Jen, Roshel and Irene in a recent Mathematics test was 71 marks. Vanessa and Jen both got 8t marks each while Roshel got half of Irene's marks. How many marks did Roshel score for the test? Express your answer in terms of t.
3 m

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The average score received by Vanessa, Jen, Roshel and Irene in a recent Mathematics test was 71 marks. Vanessa and Jen both got 8t marks each while Roshel got half of Irene's marks. How many marks did Roshel score for the test? Express your answer in terms of t.