Question
Luke wanted to buy some ground pepper. He will have $20 left if he buys 4 kg of ground pepper. However, he will need $7 more to buy 7 kg of ground pepper. What is the cost of 5 kg of ground pepper?
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Luke wanted to buy some ground pepper. He will have $20 left if he buys 4 kg of ground pepper. However, he will need $7 more to buy 7 kg of ground pepper. What is the cost of 5 kg of ground pepper?