165k views
4 votes
PLEASE HELP:

Algebra; writing and solving Equations:

There are four children in a family. They we all born two years apart. The sum of their ages is 84. How old are the children ?

PLEASE SHOW WORK!!!!!!

User Panako
by
7.7k points

1 Answer

3 votes
Set up an equation with x as the age of the youngest child.

x + (x+2) + (x+4) + (x+6) = 84

4x + 12 = 84

4x = 72

x = 18

The youngest is 18. Get the other three by adding two years each time. Therefore, the ages are 18, 20, 22, and 24
User Burgi
by
7.4k points