The cats and mice
Algebra
Level
2
3 cats catch 3 mice for 3 minutes. How many minutes 9 cats catch 9 mice are needed for?
3
6
1
9
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1 solution
We can say from the first statement that 1 cat takes 3 minutes to catch 1 mouse. Therefore if 9 cats have to catch 9 mice, which is 1 cat for each mouse, it will again take 3 minutes (as each cat will catch 1 mouse in 3 mins).