Question
Nick wanted to buy some barley. He will have $18 left if he buys 2 kg of barley. However, he will need $7 more to buy 7 kg of barley. What is the cost of 3 kg of barley?
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Nick wanted to buy some barley. He will have $18 left if he buys 2 kg of barley. However, he will need $7 more to buy 7 kg of barley. What is the cost of 3 kg of barley?