Question
Stella bought some vanilla and chocolate buns in the ratio of 6 : 5. After Stella's classmates ate an equal number of the two types of buns, there were 30% fewer chocolate than vanilla buns. In the end, there were 136 buns left. How many buns of each type were eaten?
4 m

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Stella bought some vanilla and chocolate buns in the ratio of 6 : 5. After Stella's classmates ate an equal number of the two types of buns, there were 30% fewer chocolate than vanilla buns. In the end, there were 136 buns left. How many buns of each type were eaten?