2010-01-31 10:01:15 +0000 #1
2010-01-31 10:12:50 +0000 #2
Solution: Let time x min
(1 / 3 + 1 / 4) x = 1
x = 12 / 7
A: 12 / 7 minutes after the encounter.
=. =
(1 / 3 + 1 / 4) x = 1
x = 12 / 7
A: 12 / 7 minutes after the encounter.
=. =
2010-01-31 10:44:12 +0000 #3
4 / 7