Question
Fiona bought 7 kg of chicken and 4 kg of beef for $65. If she brought 4 kg of chicken and 7 kg of beef, she would have to pay $9 less. How much did 1 kg of beef cost?
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Fiona bought 7 kg of chicken and 4 kg of beef for $65. If she brought 4 kg of chicken and 7 kg of beef, she would have to pay $9 less. How much did 1 kg of beef cost?