SOLUTION: Ana is ten years older than belinda, while belinda is five years younger than celina. Twice ana's age six less than thrice celina's age. How old are they?
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Question 774683: Ana is ten years older than belinda, while belinda is five years younger than celina. Twice ana's age six less than thrice celina's age. How old are they? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = Ana's age now
Let = Belinda's age now
Let = Celina's age now
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(1)
(2)
(3)
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(2)
Plug this result into (3)
(3)
(3)
(3)
Plug (1) into (3)
(3)
(3)
(3)
(3)
and
(1)
(1)
(1)
and
(2)
(2)
(2)
Ana's age now is 21
Belinda's age now is 11
Celina's age now is 16
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check:
(3)
(3)
(3)
(3)
OK you can check other 2 equations
