Question
There were some coins in Packet T and Packet U. After Tim transferred 25 of the coins from Packet T to Packet U, the ratio of the number of coins in Packet T to that in Packet U changed to 2 : 9. Find the ratio of the numbers of coins in Packet T to the number of coins in Packet U at first.
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There were some coins in Packet T and Packet U. After Tim transferred 25 of the coins from Packet T to Packet U, the ratio of the number of coins in Packet T to that in Packet U changed to 2 : 9. Find the ratio of the numbers of coins in Packet T to the number of coins in Packet U at first.