Question
PSLE
Riordan had scones and Ethan had macarons. Both gave half of what they had to each other. Riordan sold 15 scones and Ethan sold 39 macarons. In the end, the ratios of scones to macarons for Riordan and Ethan were 1 : 5 and 1 : 3 respectively. How many scones did Riordan have at first?
4 m

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PSLE
Riordan had scones and Ethan had macarons. Both gave half of what they had to each other. Riordan sold 15 scones and Ethan sold 39 macarons. In the end, the ratios of scones to macarons for Riordan and Ethan were 1 : 5 and 1 : 3 respectively. How many scones did Riordan have at first?