SOLUTION: Isabel is twice the age of her brother the sum of their age is 6 how old is Isabels brother

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Question 985213: Isabel is twice the age of her brother the sum of their age is 6 how old is Isabels brother

Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
B=brother's age; I=Isabel's age=2B
B+I=6 Substitute for I
B+2B=6
3B=6
B=2
ANSWER: Isabel's brother is 2 years old.