Register
The mean age of 10 people in a room was 16. When Toby walked into the room, the mean age went up to 18. What is Toby's age?
128k views
2 votes
The mean age of 10 people in a room was 16. When Toby walked into the room, the mean age went up to 18.

What is Toby's age?

User Karan Champaneri
by
5.9k points

1 Answer

3 votes
he was 17. If there are 10 people and the mean is 16 and one person walks on in and it turns to 18 then that must mean he would have passed the mean of two people so I would say hes 17 .

User Imsa
by
5.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.5m questions

8.7m answers

Other Questions

What is the least common denominator of the four fractions 20 7/10 20 3/4 18 9/10 20 18/25
What is 0.12 expressed as a fraction in simplest form
Solve using square root or factoring method plz help!!!!.....must click on pic to see the whole problem
What is the initial value and what does it represent? $4, the cost per item $4, the cost of the catalog $6, the cost per item $6, the cost of the catalog?
What is distributive property ?
Link Copied!