Question
Henry, Fred and Albert have some cards. The ratios of their cards are as follows:

Henry : (Henry + Fred + Albert) = 3 : 7
Fred : (Henry + Albert) = 1 : 5

Albert has 120 cards more than Fred. In the end, Albert gives away all he has to Fred and Henry so that both Fred and Henry end up with the same number of cards, how many cards has Fred received from Albert?
4 m

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Henry, Fred and Albert have some cards. The ratios of their cards are as follows:

Henry : (Henry + Fred + Albert) = 3 : 7
Fred : (Henry + Albert) = 1 : 5

Albert has 120 cards more than Fred. In the end, Albert gives away all he has to Fred and Henry so that both Fred and Henry end up with the same number of cards, how many cards has Fred received from Albert?