Question
PSLE
Howard had cookies and David had tarts. Both gave half of what they had to each other. Howard sold 15 cookies and David sold 39 tarts. In the end, the ratios of cookies to tarts for Howard and David were 1 : 5 and 1 : 3 respectively. How many cookies did Howard have at first?
4 m

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PSLE
Howard had cookies and David had tarts. Both gave half of what they had to each other. Howard sold 15 cookies and David sold 39 tarts. In the end, the ratios of cookies to tarts for Howard and David were 1 : 5 and 1 : 3 respectively. How many cookies did Howard have at first?