Question
There were some coins in Box H and Box J. After Oliver transferred 25 of the coins from Box H to Box J, the ratio of the number of coins in Box H to that in Box J changed to 1 : 7. Find the ratio of the numbers of coins in Box H to the number of coins in Box J at first.
3 m

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There were some coins in Box H and Box J. After Oliver transferred 25 of the coins from Box H to Box J, the ratio of the number of coins in Box H to that in Box J changed to 1 : 7. Find the ratio of the numbers of coins in Box H to the number of coins in Box J at first.