Question
PSLE
The ratio of the number of mocha cupcakes to butter cream cupcakes is 3 : 7. The ratio of the number of chocolate cupcakes to the total number of mocha cupcakes and butter cream cupcakes is 2 : 1. What fraction of the cupcakes are butter cream cupcakes?
2 m

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PSLE
The ratio of the number of mocha cupcakes to butter cream cupcakes is 3 : 7. The ratio of the number of chocolate cupcakes to the total number of mocha cupcakes and butter cream cupcakes is 2 : 1. What fraction of the cupcakes are butter cream cupcakes?