Question
Xylia bought 9 kg of pork and 2 kg of beef for $148. If she brought 2 kg of pork and 9 kg of beef, she would have to pay $21 less. How much did 1 kg of pork cost?
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Xylia bought 9 kg of pork and 2 kg of beef for $148. If she brought 2 kg of pork and 9 kg of beef, she would have to pay $21 less. How much did 1 kg of pork cost?