SOLUTION: Janet is three years older than her sister Julie. Janet's brother is eight years younger than their sister julie. The sum of all their ages is 55 years.

Question 1172574: Janet is three years older than her sister Julie. Janet's brother is eight years younger than their sister julie. The sum of all their ages is 55 years.
Found 2 solutions by ewatrrr, josgarithmetic:
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Hi
Let x represent Julie's age
Janet (x+3)
Brother (x-8)
The sum of all their ages is 55 years.
x + (x+3) + (x-8) = 55
3x -5 = 55
3x = 60
x = 20
Julie 20, Janet 23, the brother 12
CHECKING our answer***
20 + 23 + 12 = 55 CHECKS!
Wish You the Best in your Studies.
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!

PERSON AGE Janet j+3 Julie j Brother j-8 SUM 55

RELATED QUESTIONS
janet is three years older than her sister julie. janet's brother is eight years younger... (answered by math_tutor2020)
Janet is three years older than her sister Julie. Janet's brother is eight years younger... (answered by TimothyLamb)
janet is three years older than her sister julie janets brother is eight years younger... (answered by ankor@dixie-net.com)
Janet is 3 years older than her sister Julie. Janet's brother is 8 years younger than... (answered by TimothyLamb)
Carla is five years older than her sister Julie. The product of their ages is 234. How... (answered by solver91311)
Carla is five years older than her sister Julie. The product of their ages is 234. How... (answered by Theo,josgarithmetic,MathTherapy)
Mia is 4 years older than her sister Taylor. Mia’s brother is nine years younger than... (answered by ankor@dixie-net.com,ikleyn)
Julie is 2 years older than her sister Rebecca. If the product of their ages is one less (answered by josgarithmetic)
Janet is X, her brother is 3 years older than her. Find the sum of their... (answered by lenny460)