Question
Gillian bought 512 kg of yams on Monday. She cooked 49 kg of the yams each day on Tuesday, Wednesday and Thursday. What is the mass of the yams left on Friday?
4 m

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Gillian bought 512 kg of yams on Monday. She cooked 49 kg of the yams each day on Tuesday, Wednesday and Thursday. What is the mass of the yams left on Friday?