SOLUTION: Two years ago,Jernie was three times as old as his sister,Cecile.In 4 years,he will be only twice his sister’s age.Find their present ages.
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Question 1110802: Two years ago,Jernie was three times as old as his sister,Cecile.In 4 years,he will be only twice his sister’s age.Find their present ages. Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = J's age now
Let = C's age now
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(1)
(2)
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(1)
(1)
and
(2)
(2)
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Subtract (1) from (2)
(2)
(1)
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and
(2)
(2)
(2)
(2)
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J is 20
C is 8
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check:
(1)
(1)
(1)
(1)
OK
You can check (2)
