Question
PSLE
Zeph had biscuits and Charlie had croissants. Both gave half of what they had to each other. Zeph sold 11 biscuits and Charlie sold 30 croissants. In the end, the ratios of biscuits to croissants for Zeph and Charlie were 1 : 6 and 1 : 4 respectively. How many biscuits did Zeph have at first?
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PSLE
Zeph had biscuits and Charlie had croissants. Both gave half of what they had to each other. Zeph sold 11 biscuits and Charlie sold 30 croissants. In the end, the ratios of biscuits to croissants for Zeph and Charlie were 1 : 6 and 1 : 4 respectively. How many biscuits did Zeph have at first?