Question
Sam, Dylan and Andy have some buttons. The ratios of their buttons are as follows:

Sam : (Sam + Dylan + Andy) = 2 : 5
Dylan : (Sam + Andy) = 1 : 3

Andy has 6 buttons more than Dylan. In the end, Andy gives away all he has to Dylan and Sam so that both Dylan and Sam end up with the same number of buttons, how many buttons has Dylan received from Andy?
4 m

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Sam, Dylan and Andy have some buttons. The ratios of their buttons are as follows:

Sam : (Sam + Dylan + Andy) = 2 : 5
Dylan : (Sam + Andy) = 1 : 3

Andy has 6 buttons more than Dylan. In the end, Andy gives away all he has to Dylan and Sam so that both Dylan and Sam end up with the same number of buttons, how many buttons has Dylan received from Andy?