Question
PSLE
Sam had shortbreads and Ahmad had cupcakes. Both gave half of what they had to each other. Sam sold 8 shortbreads and Ahmad sold 20 cupcakes. In the end, the ratios of shortbreads to cupcakes for Sam and Ahmad were 1 : 4 and 1 : 2 respectively. How many shortbreads did Sam have at first?
4 m

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PSLE
Sam had shortbreads and Ahmad had cupcakes. Both gave half of what they had to each other. Sam sold 8 shortbreads and Ahmad sold 20 cupcakes. In the end, the ratios of shortbreads to cupcakes for Sam and Ahmad were 1 : 4 and 1 : 2 respectively. How many shortbreads did Sam have at first?