Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

Tatiana is a counselor at summer camp. She wants to take 20 campers on a hike and wants to choose a pair of students to lead the way. In how

Home/Math/Tatiana is a counselor at summer camp. She wants to take 20 campers on a hike and wants to choose a pair of students to lead the way. In how

Tatiana is a counselor at summer camp. She wants to take 20 campers on a hike and wants to choose a pair of students to lead the way. In how

Question

Tatiana is a counselor at summer camp. She wants to take 20 campers on a hike and wants to choose a pair of students to lead the way. In how many ways can Tatiana choose this pair of children?

## Answers ( )

Answer:There are 190 ways to choose this pair of children

Step-by-step explanation:Total number of students at summer camp = 20

Tatiana wants to choose a pair of students to lead the way

Number of students in a pair = 2

We are supposed to find In how many ways can Tatiana choose this pair of children

So, We will use combination

Formula :

n = 20

r= 2

So,

Hence There are 190 ways to choose this pair of children