Question
Esther bought 5 kg of chicken and 2 kg of beef for $45. If she brought 2 kg of chicken and 5 kg of beef, she would have to pay $6 less. How much did 1 kg of beef cost?
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Esther bought 5 kg of chicken and 2 kg of beef for $45. If she brought 2 kg of chicken and 5 kg of beef, she would have to pay $6 less. How much did 1 kg of beef cost?