Question
PSLE
Lee had cookies and Owen had croissants. Both gave half of what they had to each other. Lee sold 10 cookies and Owen sold 20 croissants. In the end, the ratios of cookies to croissants for Lee and Owen were 1 : 7 and 1 : 5 respectively. How many cookies did Lee have at first?
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PSLE
Lee had cookies and Owen had croissants. Both gave half of what they had to each other. Lee sold 10 cookies and Owen sold 20 croissants. In the end, the ratios of cookies to croissants for Lee and Owen were 1 : 7 and 1 : 5 respectively. How many cookies did Lee have at first?