Question
Xuan bought 9 kg of pork and 6 kg of venison for $57. If she brought 6 kg of pork and 9 kg of venison, she would have to pay $9 less. How much did 1 kg of pork cost?
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Xuan bought 9 kg of pork and 6 kg of venison for $57. If she brought 6 kg of pork and 9 kg of venison, she would have to pay $9 less. How much did 1 kg of pork cost?