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A school has four gates. In how many ways can a learner enter by one gate and leave by a different gate? Pls show your solution :))​

Sagot :

Answer:

there are 12 ways

Solution:

Firstly,we choose one gate as entering gate.

So we have Four options.

Then,we choose a different gate as leaving gate.

So we have 4-1=3 options.(two gates are different)

:there are 4 times 3=12 ways to choose the gate