Question
A bag had some silver pencils and grey pencils in the ratio of 7 : 2. Lynn removed 36 silver pencils and put another 18 grey pencils into the bag. There is now 20% as many silver pencils as grey pencils in the bag. How many silver pencils were in the bag at first?
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A bag had some silver pencils and grey pencils in the ratio of 7 : 2. Lynn removed 36 silver pencils and put another 18 grey pencils into the bag. There is now 20% as many silver pencils as grey pencils in the bag. How many silver pencils were in the bag at first?