Question
Yoko bought 9 kg of pork and 6 kg of chicken for $165. If she brought 6 kg of pork and 9 kg of chicken, she would have to pay $15 less. How much did 1 kg of pork cost?
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Yoko bought 9 kg of pork and 6 kg of chicken for $165. If she brought 6 kg of pork and 9 kg of chicken, she would have to pay $15 less. How much did 1 kg of pork cost?