Question
Warren had some rice flour. He used the same amount of rice flour each day. By the end of Day 6, he had 550 g of rice flour left. At the end of Day 7, he had 530 g of rice flour left. How much rice flour did Warren have at first?
4 m

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Warren had some rice flour. He used the same amount of rice flour each day. By the end of Day 6, he had 550 g of rice flour left. At the end of Day 7, he had 530 g of rice flour left. How much rice flour did Warren have at first?