Question
PSLE
Pierre had cupcakes and Vaidev had scones. Both gave half of what they had to each other. Pierre sold 11 cupcakes and Vaidev sold 36 scones. In the end, the ratios of cupcakes to scones for Pierre and Vaidev were 1 : 4 and 1 : 2 respectively. How many cupcakes did Pierre have at first?
4 m

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PSLE
Pierre had cupcakes and Vaidev had scones. Both gave half of what they had to each other. Pierre sold 11 cupcakes and Vaidev sold 36 scones. In the end, the ratios of cupcakes to scones for Pierre and Vaidev were 1 : 4 and 1 : 2 respectively. How many cupcakes did Pierre have at first?