Question
A bag had some brown crayons and green crayons in the ratio of 5 : 2. Gabby removed 39 brown crayons and put another 10 green crayons into the bag. There is now 50% as many brown crayons as green crayons in the bag. How many brown crayons were in the bag at first?
4 m

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A bag had some brown crayons and green crayons in the ratio of 5 : 2. Gabby removed 39 brown crayons and put another 10 green crayons into the bag. There is now 50% as many brown crayons as green crayons in the bag. How many brown crayons were in the bag at first?