Register
The following are the ages (years) of 5 people in a room: 14 , 24 , 24 , 20 , 24 A person enters the room. The mean age of the 6 people is now 21. What is the age of the person who entered the room?
163k views
19 votes
The following are the ages (years) of 5 people in a room:

14
,


24
,


24
,


20
,


24


A person enters the room.
The mean age of the 6 people is now 21.
What is the age of the person who entered the room?

User Mbouzahir
by
5.6k points

1 Answer

7 votes

Answer:

20

Explanation:


(14 + 20 + 24 + 24 + 24 + x) / 6 = 21 \\ 106 + x = 126 \\ x = 126 - 106 = 20

User Huron
by
5.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.8m questions

7.5m answers

Other Questions

Aliyah has $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?
Evaluate a + b when a = –16.2 and b = –11.4 A. –27.6 B. –4.8 C. 4.8 D. 27.6
What is the value of x? (-4) - x = 5
Find the quotient of 3,078 ÷ 27. A) 104 B) 109 C) 114 D) 119
Can someone help me with 5??? ASAP?
Link Copied!