Question
A confectionery baked a total of 569 kaya, mushroom and beef buns. There were 139 more kaya buns than beef buns but 15 less mushroom buns than kaya buns. How many kaya buns did the confectionery produce?
4 m

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A confectionery baked a total of 569 kaya, mushroom and beef buns. There were 139 more kaya buns than beef buns but 15 less mushroom buns than kaya buns. How many kaya buns did the confectionery produce?