Answer:
7 4/17
Step-by-step explanation:
Cathy and Iris have 259,459,200 ways to skip countries.
Data;
- Number of countries they are planning to visit = 9
- Number of countries they would like to visit = 13
<h3>Combination</h3>
To solve this problem, we would have to use a mathematical procedure known as combination.
Let us calculate the number of countries that would have to skip.

To decide which country they have to skip, it would be 4 out of 13.

Let's solve this

Cathy and Iris have 259,459,200 ways to skip countries.
Learn more on combination here;
brainly.com/question/12468032
Answer:
x=3.5
the answer is 3.5 because 7 divided by 2 is 3.5
5/12 multiplied by 2 equals 10/24 which when divided by 2 it equals 5/12