Question
The average score received by Mary, Hilda, Nicole and Barbara in a recent Mathematics test was 61 marks. Mary and Hilda both got 10f marks each while Nicole got half of Barbara's marks. How many marks did Nicole score for the test? Express your answer in terms of f.
3 m

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The average score received by Mary, Hilda, Nicole and Barbara in a recent Mathematics test was 61 marks. Mary and Hilda both got 10f marks each while Nicole got half of Barbara's marks. How many marks did Nicole score for the test? Express your answer in terms of f.