Question
There were some pencils in Box S and Box T. After Lee transferred 35 of the pencils from Box S to Box T, the ratio of the number of pencils in Box S to that in Box T changed to 1 : 7. Find the ratio of the numbers of pencils in Box S to the number of pencils in Box T at first.
3 m

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There were some pencils in Box S and Box T. After Lee transferred 35 of the pencils from Box S to Box T, the ratio of the number of pencils in Box S to that in Box T changed to 1 : 7. Find the ratio of the numbers of pencils in Box S to the number of pencils in Box T at first.