SOLUTION: William is 2 times as old as Stephanie. 28 years ago, William was 9 times as old as Stephanie. how old is Stephanie now?

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Question 968194: William is 2 times as old as Stephanie. 28 years ago, William was 9 times as old as Stephanie. how old is Stephanie now?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
William is 2 times as old as Stephanie. 28 years ago, William was 9 times as old as Stephanie. how old is Stephanie now?
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Equations:
W = 2*S
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W-28 = 9(S-28)
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Substitute for "W" and solve for "S":
2S-28 = 9S-9*28
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7S = 8*28
S = 8*4
Ans: S = 32 yrs (Stephanie's age now)
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Cheers,
Stan H.
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