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.

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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) About Me  (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) About Me  (Show Source):
You can put this solution on YOUR website!
PERSON          AGE
Janet           j+3
Julie            j
Brother         j-8
SUM             55