Question
PSLE
Owen had wafers and John had tarts. Both gave half of what they had to each other. Owen sold 10 wafers and John sold 40 tarts. In the end, the ratios of wafers to tarts for Owen and John were 1 : 4 and 1 : 2 respectively. How many wafers did Owen have at first?
4 m

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PSLE
Owen had wafers and John had tarts. Both gave half of what they had to each other. Owen sold 10 wafers and John sold 40 tarts. In the end, the ratios of wafers to tarts for Owen and John were 1 : 4 and 1 : 2 respectively. How many wafers did Owen have at first?