Question
Warren, Owen and Harry have some stamps. The ratios of their stamps are as follows:

Warren : (Warren + Owen + Harry) = 2 : 5
Owen : (Warren + Harry) = 1 : 5

Harry has 40 stamps more than Owen. In the end, Harry gives away all he has to Owen and Warren so that both Owen and Warren end up with the same number of stamps, how many stamps has Owen received from Harry?
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Warren, Owen and Harry have some stamps. The ratios of their stamps are as follows:

Warren : (Warren + Owen + Harry) = 2 : 5
Owen : (Warren + Harry) = 1 : 5

Harry has 40 stamps more than Owen. In the end, Harry gives away all he has to Owen and Warren so that both Owen and Warren end up with the same number of stamps, how many stamps has Owen received from Harry?