SOLUTION: There is a list of seven numbers. The average of the first four numbers is 5, and the average of the last four numbers is 8. If the average of all seven numbers is
6 4/7 then the
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Question 285125: There is a list of seven numbers. The average of the first four numbers is 5, and the average of the last four numbers is 8. If the average of all seven numbers is
6 4/7 then the number common to both sets of four numbers is
a 5 3/7 b 6 c 6 4/7 d 7 e 7 3/7
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
4*5=20
4*8=32
20+32=52
7*6 4/7=
7*46/7=46
52-46=6
b)6
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