Question
PSLE
The ratio of the number of mocha cupcakes to mango cupcakes is 4 : 5. The ratio of the number of vanilla cupcakes to the total number of mocha cupcakes and mango cupcakes is 2 : 1. What fraction of the cupcakes are mango cupcakes?
2 m

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PSLE
The ratio of the number of mocha cupcakes to mango cupcakes is 4 : 5. The ratio of the number of vanilla cupcakes to the total number of mocha cupcakes and mango cupcakes is 2 : 1. What fraction of the cupcakes are mango cupcakes?