Question
The average score received by Pamela, Winnie, Xandra and Tina in a recent History test was 64 marks. Pamela and Winnie both got 11t marks each while Xandra got half of Tina's marks. How many marks did Xandra score for the test? Express your answer in terms of t.
3 m

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The average score received by Pamela, Winnie, Xandra and Tina in a recent History test was 64 marks. Pamela and Winnie both got 11t marks each while Xandra got half of Tina's marks. How many marks did Xandra score for the test? Express your answer in terms of t.