# Thread: Explanation counting principle problem

1. ## Explanation counting principle problem

If a travel agency o ers special weekend trips to 12 di erent cities, by air,
rail, bus, or sea, in how many di erent ways can such a trip be arranged?

The answer is 4^12, but I'm not sure why...can someone explain for me please

2. ## Re: Explanation counting principle problem

If a travel agency offers special weekend trips to 12 different cities, by air, rail, bus, or sea, in how many different ways can such a trip be arranged?

3. ## Re: Explanation counting principle problem

This "weekend trips" designation is really making me so distract. How does someone go to 12 cities in one weekend? If you go to 12 cities over 12 weekends, what are you doing the rest of the week?

4. ## Re: Explanation counting principle problem

Originally Posted by Mean Joe
This "weekend trips" designation is really making me so distract. How does someone go to 12 cities in one weekend? If you go to 12 cities over 12 weekends, what are you doing the rest of the week?

It must be over multiple weekends...

5. ## Re: Explanation counting principle problem

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