Question
Nora bought some custard and matcha buns in the ratio of 8 : 7. After Nora's classmates ate an equal number of the two types of buns, there were 40% fewer matcha than custard buns. In the end, there were 160 buns left. How many buns of each type were eaten?
4 m

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Nora bought some custard and matcha buns in the ratio of 8 : 7. After Nora's classmates ate an equal number of the two types of buns, there were 40% fewer matcha than custard buns. In the end, there were 160 buns left. How many buns of each type were eaten?