Question
Zeph wanted to buy some oats. He will have $16 left if he buys 2 kg of oats. However, he will need $4 more to buy 4 kg of oats. What is the cost of 4 kg of oats?
4 m

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Zeph wanted to buy some oats. He will have $16 left if he buys 2 kg of oats. However, he will need $4 more to buy 4 kg of oats. What is the cost of 4 kg of oats?