Question
Container R and Container S had 20 kg of bread flour and 54.9 kg of bread flour respectively. If 2 kg of bread flour and 7.7 kg of bread flour are added into Container R and Container S every day, how many days later will the bread flour in Container R be one-third as much as the bread flour in Container S?
4 m

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Container R and Container S had 20 kg of bread flour and 54.9 kg of bread flour respectively. If 2 kg of bread flour and 7.7 kg of bread flour are added into Container R and Container S every day, how many days later will the bread flour in Container R be one-third as much as the bread flour in Container S?