Question
Oliver wanted to buy some corn starch. He will have $17 left if he buys 5 kg of corn starch. However, he will need $7 more to buy 7 kg of corn starch. What is the cost of 11 kg of corn starch?
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Oliver wanted to buy some corn starch. He will have $17 left if he buys 5 kg of corn starch. However, he will need $7 more to buy 7 kg of corn starch. What is the cost of 11 kg of corn starch?