SOLUTION: In two years time James will be half the age of his sister, who is now 12. How old is James now?

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Question 952476: In two years time James will be half the age of his sister, who is now 12. How old is James now?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
J=age of James; S=age of sister=12
J+2yrs=1/2(S+2yrs)
J+2yrs=1/2(12yrs+2yrs)
J+2yrs=1/2(14yrs)
J+2yrs=7yrs
J=7yrs-2yrs=5 yrs ANSWER: James is now 5 years old.