Question
Fanny bought 7 kg of mutton and 2 kg of chicken for $55. If she brought 2 kg of mutton and 7 kg of chicken, she would have to pay $20 less. How much did 1 kg of chicken cost?
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Fanny bought 7 kg of mutton and 2 kg of chicken for $55. If she brought 2 kg of mutton and 7 kg of chicken, she would have to pay $20 less. How much did 1 kg of chicken cost?