Question
Billy, Wesley and Sam have some stamps. The ratios of their stamps are as follows:

Billy : (Billy + Wesley + Sam) = 2 : 5
Wesley : (Billy + Sam) = 1 : 3

Sam has 20 stamps more than Wesley. In the end, Sam gives away all he has to Wesley and Billy so that both Wesley and Billy end up with the same number of stamps, how many stamps has Billy received from Sam?
4 m

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Billy, Wesley and Sam have some stamps. The ratios of their stamps are as follows:

Billy : (Billy + Wesley + Sam) = 2 : 5
Wesley : (Billy + Sam) = 1 : 3

Sam has 20 stamps more than Wesley. In the end, Sam gives away all he has to Wesley and Billy so that both Wesley and Billy end up with the same number of stamps, how many stamps has Billy received from Sam?