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6:3
4 y( L0 P0 G0 w8 y( ttvb now,tvbnow,bttvb9 days all together.
3 V9 _1 s( ^. P1 G3 days per person.4 V; B6 Y  V( z+ @) m7 E
A did 2/3 of C work and B did 1/3 of C work
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