SOLUTION: At this moment a movie star is 5 times as old as her child. Five years ago she was 15 times as old as her child. How old is the movie star now? How old is her child?
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Question 732168: At this moment a movie star is 5 times as old as her child. Five years ago she was 15 times as old as her child. How old is the movie star now? How old is her child?
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Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Movie star's age now
Let = the child's age now
= Movie star's age 5 years ago
= child's age 5 years ago
given:
---------------------
By substitution:
and
Her child is 7
check:
OK
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