Question
Mrs Ng has to pay $30 for 2 kg of chicken and 3 kg of beef. She has to pay $41 if she buys 3 kg of chicken and 4 kg of beef. How much does 1 kg of chicken cost?
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Mrs Ng has to pay $30 for 2 kg of chicken and 3 kg of beef. She has to pay $41 if she buys 3 kg of chicken and 4 kg of beef. How much does 1 kg of chicken cost?