Ken is x years old. Liam is (x + 4) years old. Tina is 3x years old. Write an expression, in terms of x, for the mean of their ages.

asked Feb 25, 2022 105k views

2 votes

Ken is x years old.

Liam is (x + 4) years old.
Tina is 3x years old.

Write an expression, in terms of x, for the mean of their ages.

8.2k points

Please log in or register to add a comment.

3 votes

(X +(x + 4) +3x)/3 = (5x +4)/3

Add the ages together and divide by the number of people to get the mean.

8.7k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers