SOLUTION: Wendy is 38 years old and his sister is 24 years old. (a)How many years ago was Wendy three times as old as his sister? (b)How old was Wendy then?

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Question 1128502: Wendy is 38 years old and his sister is 24 years old.
(a)How many years ago was Wendy three times as old as his sister?
(b)How old was Wendy then?

Answer by FrankM(1040) About Me  (Show Source):
You can put this solution on YOUR website!
X years ago, Wendy was
38-X and Sis was 24-X
38-X=3(24-x)
38-X=72-3X
2X=34
X= 17 (17 years ago)
W=21 sis = 7