Question
A bag had some black crayons and purple crayons in the ratio of 7 : 1. Abi removed 38 black crayons and put another 14 purple crayons into the bag. There is now 20% as many black crayons as purple crayons in the bag. How many black crayons were in the bag at first?
4 m

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A bag had some black crayons and purple crayons in the ratio of 7 : 1. Abi removed 38 black crayons and put another 14 purple crayons into the bag. There is now 20% as many black crayons as purple crayons in the bag. How many black crayons were in the bag at first?