Question
PSLE
Pierre had cookies and Bryan had cupcakes. Both gave half of what they had to each other. Pierre sold 9 cookies and Bryan sold 37 cupcakes. In the end, the ratios of cookies to cupcakes for Pierre and Bryan were 1 : 7 and 1 : 5 respectively. How many cookies did Pierre have at first?
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PSLE
Pierre had cookies and Bryan had cupcakes. Both gave half of what they had to each other. Pierre sold 9 cookies and Bryan sold 37 cupcakes. In the end, the ratios of cookies to cupcakes for Pierre and Bryan were 1 : 7 and 1 : 5 respectively. How many cookies did Pierre have at first?