SOLUTION: Two years from now, Jorge will be 3 times as old as Maria is now, in ten years, Jorge will be four times as old as Maria is now. What are Jorge's and Maria's current age?
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Question 201528: Two years from now, Jorge will be 3 times as old as Maria is now, in ten years, Jorge will be four times as old as Maria is now. What are Jorge's and Maria's current age?
Found 2 solutions by solver91311, josmiceli:
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Let
represent Jorge's age now.
Let
represent Maria's age now.
Two years from now, Jorge will be
so:
Ten years from now, Jorge will be
so:
Solve the system for
and
. Use the elimination method beginning with multiplying the first equation by -1. Then adding the equations will give you Maria's age directly.
John

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Jorge's age now
Let = Maria's age now
given:
Jorge's age in years will be
Jorge's age in years will be
(1)
(2)
Subtract (1) from (2)
And, since
Currently, Maria is 8 and Jorge is 22
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