Question
PSLE
Paul had cookies and Tom had scones. Both gave half of what they had to each other. Paul sold 10 cookies and Tom sold 28 scones. In the end, the ratios of cookies to scones for Paul and Tom were 1 : 5 and 1 : 3 respectively. How many cookies did Paul have at first?
4 m

Click button first when a symbol is required. X

PSLE
Paul had cookies and Tom had scones. Both gave half of what they had to each other. Paul sold 10 cookies and Tom sold 28 scones. In the end, the ratios of cookies to scones for Paul and Tom were 1 : 5 and 1 : 3 respectively. How many cookies did Paul have at first?