SOLUTION: Samuel is 1/2 as old as his brother. In seven years, he will be 2/3 as old as his brother will be. Find their present ages.

Question 984046: Samuel is 1/2 as old as his brother. In seven years, he will be 2/3 as old as his brother will be. Find their present ages.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Samuel's age now
Let = brother's age now
(1)
(2)
---------------------------
substitute (1) into (2)
(2)
Multiply both sides by
(2)
(2)
(2)
(2)
and
(1)
(1)
Samuel is 7
His brother is 14
-----------------
check:
(2)
(2)
(2)
(2)
(2)
OK

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