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Sep
24
awarded  Autobiographer
May
19
comment Work-Time Problem
"2 cats started eating 60 mice in 3 minutes" is not clear. So 2 cats started to eat mice, there were 60 mice, what does the 3 minutes refer to? Does it mean, 6 cats were added 3 minutes later?
May
19
awarded  Supporter
Jan
31
awarded  Teacher
Jan
28
answered A magic trick with synchronizing words