Question
PSLE
Howard had croissants and Xavier had biscuits. Both gave half of what they had to each other. Howard sold 13 croissants and Xavier sold 31 biscuits. In the end, the ratios of croissants to biscuits for Howard and Xavier were 1 : 7 and 1 : 5 respectively. How many croissants did Howard have at first?
4 m

Click button first when a symbol is required. X

PSLE
Howard had croissants and Xavier had biscuits. Both gave half of what they had to each other. Howard sold 13 croissants and Xavier sold 31 biscuits. In the end, the ratios of croissants to biscuits for Howard and Xavier were 1 : 7 and 1 : 5 respectively. How many croissants did Howard have at first?