Question
PSLE
The ratio of the number of butter cream buns to matcha buns is 3 : 7. The ratio of the number of mocha buns to the total number of butter cream buns and matcha buns is 4 : 1. What fraction of the buns are butter cream buns?
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PSLE
The ratio of the number of butter cream buns to matcha buns is 3 : 7. The ratio of the number of mocha buns to the total number of butter cream buns and matcha buns is 4 : 1. What fraction of the buns are butter cream buns?