Question
A bag had some grey pens and blue pens in the ratio of 3 : 2. Wendy removed 31 grey pens and put another 22 blue pens into the bag. There is now 50% as many grey pens as blue pens in the bag. How many grey pens were in the bag at first?
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A bag had some grey pens and blue pens in the ratio of 3 : 2. Wendy removed 31 grey pens and put another 22 blue pens into the bag. There is now 50% as many grey pens as blue pens in the bag. How many grey pens were in the bag at first?