Question
Fiona spent 3 days making paper aeroplanes for her cousins. Each day, she managed to make 7 more paper aeroplanes than the day before. She made a total of 54 paper aeroplanes. How many paper aeroplanes did she make on the first day?
2 m

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Fiona spent 3 days making paper aeroplanes for her cousins. Each day, she managed to make 7 more paper aeroplanes than the day before. She made a total of 54 paper aeroplanes. How many paper aeroplanes did she make on the first day?