Question
Mrs Yang bought 20 kg of brown rice at $3.90 per kg. If each kg of brown rice cost 90 cents less, how much more brown rice could she buy with the same amount of money?
3 m

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Mrs Yang bought 20 kg of brown rice at $3.90 per kg. If each kg of brown rice cost 90 cents less, how much more brown rice could she buy with the same amount of money?