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Mathematics, 06.05.2022 06:20 Geo777

there are five number cards. 1 4 6 8 9 One of the cards is removed and the mean average of the remaining four number cards is 6 Which card was removed? You must show your working.

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there are five number cards. 1 4 6 8 9 One of the cards is removed and the mean average of the remai...

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