Question
The average score received by Jane, Betty, Shannon and Yoko in a recent Mathematics test was 68 marks. Jane and Betty both got 11y marks each while Shannon got half of Yoko's marks. How many marks did Shannon score for the test? Express your answer in terms of y.
3 m

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The average score received by Jane, Betty, Shannon and Yoko in a recent Mathematics test was 68 marks. Jane and Betty both got 11y marks each while Shannon got half of Yoko's marks. How many marks did Shannon score for the test? Express your answer in terms of y.