Question
Esther bought 11 kg of beef and 6 kg of venison for $129. If she brought 6 kg of beef and 11 kg of venison, she would have to pay $20 less. How much did 1 kg of beef cost?
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Esther bought 11 kg of beef and 6 kg of venison for $129. If she brought 6 kg of beef and 11 kg of venison, she would have to pay $20 less. How much did 1 kg of beef cost?