Question
Reggie wanted to buy some maize. He will have $13 left if he buys 3 kg of maize. However, he will need $5 more to buy 5 kg of maize. What is the cost of 4 kg of maize?
4 m

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Reggie wanted to buy some maize. He will have $13 left if he buys 3 kg of maize. However, he will need $5 more to buy 5 kg of maize. What is the cost of 4 kg of maize?