Question
Mrs Soh has to pay $31 for 2 kg of pork and 3 kg of beef. She has to pay $44 if she buys 3 kg of pork and 4 kg of beef. How much does 1 kg of pork cost?
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Mrs Soh has to pay $31 for 2 kg of pork and 3 kg of beef. She has to pay $44 if she buys 3 kg of pork and 4 kg of beef. How much does 1 kg of pork cost?