Question
A bag had some red pens and blue pens in the ratio of 3 : 2. Fiona removed 31 red pens and put another 14 blue pens into the bag. There is now 50% as many red pens as blue pens in the bag. How many red pens were in the bag at first?
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A bag had some red pens and blue pens in the ratio of 3 : 2. Fiona removed 31 red pens and put another 14 blue pens into the bag. There is now 50% as many red pens as blue pens in the bag. How many red pens were in the bag at first?