Question
PSLE
Archie had scones and Liam had puffs. Both gave half of what they had to each other. Archie sold 9 scones and Liam sold 30 puffs. In the end, the ratios of scones to puffs for Archie and Liam were 1 : 4 and 1 : 2 respectively. How many scones did Archie have at first?
4 m

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PSLE
Archie had scones and Liam had puffs. Both gave half of what they had to each other. Archie sold 9 scones and Liam sold 30 puffs. In the end, the ratios of scones to puffs for Archie and Liam were 1 : 4 and 1 : 2 respectively. How many scones did Archie have at first?