Question
Mrs Kok has to pay $37 for 2 kg of beef and 3 kg of pork. She has to pay $52 if she buys 3 kg of beef and 4 kg of pork. How much does 1 kg of beef cost?
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Mrs Kok has to pay $37 for 2 kg of beef and 3 kg of pork. She has to pay $52 if she buys 3 kg of beef and 4 kg of pork. How much does 1 kg of beef cost?