Question
Mrs Yang has to pay $47 for 3 kg of mutton and 4 kg of venison. She has to pay $61 if she buys 4 kg of mutton and 5 kg of venison. How much does 1 kg of mutton cost?
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Mrs Yang has to pay $47 for 3 kg of mutton and 4 kg of venison. She has to pay $61 if she buys 4 kg of mutton and 5 kg of venison. How much does 1 kg of mutton cost?