Question
Jen bought 9 kg of beef and 4 kg of venison for $157. If she brought 4 kg of beef and 9 kg of venison, she would have to pay $15 less. How much did 1 kg of beef cost?
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Jen bought 9 kg of beef and 4 kg of venison for $157. If she brought 4 kg of beef and 9 kg of venison, she would have to pay $15 less. How much did 1 kg of beef cost?