Question
A bag had some green pens and gold pens in the ratio of 3 : 2. Zara removed 31 green pens and put another 18 gold pens into the bag. There is now 50% as many green pens as gold pens in the bag. How many green pens were in the bag at first?
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A bag had some green pens and gold pens in the ratio of 3 : 2. Zara removed 31 green pens and put another 18 gold pens into the bag. There is now 50% as many green pens as gold pens in the bag. How many green pens were in the bag at first?