Question
PSLE
Jack had biscuits and Vincent had tarts. Both gave half of what they had to each other. Jack sold 13 biscuits and Vincent sold 25 tarts. In the end, the ratios of biscuits to tarts for Jack and Vincent were 1 : 5 and 1 : 3 respectively. How many biscuits did Jack have at first?
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PSLE
Jack had biscuits and Vincent had tarts. Both gave half of what they had to each other. Jack sold 13 biscuits and Vincent sold 25 tarts. In the end, the ratios of biscuits to tarts for Jack and Vincent were 1 : 5 and 1 : 3 respectively. How many biscuits did Jack have at first?