Darryl had 176 books and Gavin had 101 books. When each one gave away the same number of books, Darryl then had 6 times as many books as Gavin. How many books did each friend give away?
D = 176 G = 101
(176 - x) / (101 - x) = 6 / 1 ()
x = 86 This is the number of books each friend gave away.
+151 
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