Question
PSLE
Fred had tarts and Vaidev had croissants. Both gave half of what they had to each other. Fred sold 11 tarts and Vaidev sold 33 croissants. In the end, the ratios of tarts to croissants for Fred and Vaidev were 1 : 7 and 1 : 5 respectively. How many tarts did Fred have at first?
4 m

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PSLE
Fred had tarts and Vaidev had croissants. Both gave half of what they had to each other. Fred sold 11 tarts and Vaidev sold 33 croissants. In the end, the ratios of tarts to croissants for Fred and Vaidev were 1 : 7 and 1 : 5 respectively. How many tarts did Fred have at first?