Question
A bag had some white pencils and green pencils in the ratio of 7 : 2. Victoria removed 33 white pencils and put another 10 green pencils into the bag. There is now 10% as many white pencils as green pencils in the bag. How many white pencils were in the bag at first?
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A bag had some white pencils and green pencils in the ratio of 7 : 2. Victoria removed 33 white pencils and put another 10 green pencils into the bag. There is now 10% as many white pencils as green pencils in the bag. How many white pencils were in the bag at first?