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W = 21 units
Initial S = 7 units (7 units x 3 = 21, since W had 3 times as much)
Final S = 3 units (3 units x 7 = 21, since W had 7 times as much)
Initial S = 7 units (7 units x 3 = 21, since W had 3 times as much)
Final S = 3 units (3 units x 7 = 21, since W had 7 times as much)
Date Posted:
6 years ago