Question
There were some coins in Packet Y and Packet Z. After Charlie transferred 14 of the coins from Packet Y to Packet Z, the ratio of the number of coins in Packet Y to that in Packet Z changed to 1 : 8. Find the ratio of the numbers of coins in Packet Y to the number of coins in Packet Z at first.
3 m

Click button first when a symbol is required. X

There were some coins in Packet Y and Packet Z. After Charlie transferred 14 of the coins from Packet Y to Packet Z, the ratio of the number of coins in Packet Y to that in Packet Z changed to 1 : 8. Find the ratio of the numbers of coins in Packet Y to the number of coins in Packet Z at first.