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0 / 60 seg.
If three cats catch three mice in three minutes, how many cats would be needed to catch 100 mice in 100 minutes?
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Clue
THE SAME THREE CATS WOULD DO. SINCE THESE THREE CATS ARE AVERAGING ONE MOUSE PER MINUTE, GIVEN 100 MINUTES, THE CATS COULD CATCH 100 MICE
5 CATS. THE SAME FIVE COULD KEEP CATCHING 5 MICE EVERY 5 MINUTES FOR 100 MINUTES. ALTERNATIVELY: 1 CAT CAN CATCH 1 MICE IN 5 MINUTES. 1 CAT CAN CATCH 20 (1×20) MICE IN 100 (5×20) MINUTES. THEREFORE, 5 CATS CAN CATCH 100 MICE IN 100 MINUTES
HE WAS AN ASTRONAUT ON A SPACE WALK, DOING REPAIRS
ONE TRAIN COMES AT 8AM AND THE OTHER TRAIN CAME AT 8PM
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