Question
Paul, Glen and Sam have some erasers. The ratios of their erasers are as follows:

Paul : (Paul + Glen + Sam) = 2 : 5
Glen : (Paul + Sam) = 1 : 3

Sam has 16 erasers more than Glen. In the end, Sam gives away all he has to Glen and Paul so that both Glen and Paul end up with the same number of erasers, how many erasers has Glen received from Sam?
4 m

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Paul, Glen and Sam have some erasers. The ratios of their erasers are as follows:

Paul : (Paul + Glen + Sam) = 2 : 5
Glen : (Paul + Sam) = 1 : 3

Sam has 16 erasers more than Glen. In the end, Sam gives away all he has to Glen and Paul so that both Glen and Paul end up with the same number of erasers, how many erasers has Glen received from Sam?