SOLUTION: If Brian is seven years younger than his brother then in two years his brother will be twice as old as Brian is now. How old is Brian and his brother.
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Question 1056093: If Brian is seven years younger than his brother then in two years his brother will be twice as old as Brian is now. How old is Brian and his brother. Found 2 solutions by josmiceli, ikleyn:Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = Brian's age now
Let = his brother's age now
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(1)
(2)
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(1)
Plug this result into (2)
(2)
(2)
and
(1)
(1)
(1)
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Brian is 9
His brother is 16
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check:
In 2 yrs, his brother will be 18
That is twice Brian's age now
OK
You can put this solution on YOUR website! .
If Brian is seven years younger than his brother then in two years his brother will be twice as old as Brian is now.
How old is Brian and his brother.
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Hello,
I am not about the solution: it is right and correct.
I am about the formulation the problem.
It seems to be strange and goes out of English and out of common logic.
The correct formulation should be like this:
Brian is seven years younger than his brother. In two years his brother will be twice as old as Brian is now.
How old is Brian and his brother now ?
