Question
Mrs Lau bought 45 kg of black beans at $1.80 per kg. If each kg of black beans cost 90 cents less, how much more black beans could she buy with the same amount of money?
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Mrs Lau bought 45 kg of black beans at $1.80 per kg. If each kg of black beans cost 90 cents less, how much more black beans could she buy with the same amount of money?