13.25 cases but round that up to 14 cases to transport 159 items. 159÷12=13.25
Using the combination formula, it is found that there are 220 ways to decide which countries to skip.
The order in which the countries are skipped is not important, hence the <em>combination formula </em>is used to solve this question.
<h3>What is the combination formula?</h3>
is the number of different combinations of x objects from a set of n elements, given by:

In this problem, 3 countries are skipped from a set of 12, hence the number of ways is given by:

More can be learned about the combination formula at brainly.com/question/25821700
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859....9 is the 5th odd and you know the number is in the 800s so just add 9 and 8 and subtract from 22 and you get 5
Answer:
10 
Step-by-step explanation:
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All we should do is plug in the value of b:
12-2
10 (Answer)
Hope you find it helpful.
Feel free to ask if you have any questions.
