Question
PSLE
The ratio of the number of mango muffins to vanilla muffins is 5 : 7. The ratio of the number of peach muffins to the total number of mango muffins and vanilla muffins is 4 : 1. What fraction of the muffins are vanilla muffins?
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PSLE
The ratio of the number of mango muffins to vanilla muffins is 5 : 7. The ratio of the number of peach muffins to the total number of mango muffins and vanilla muffins is 4 : 1. What fraction of the muffins are vanilla muffins?