SOLUTION: walid is four times as old as sami, five years ago,walid was 7 times old as sami. how old is walid snd how old is sami ?

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Question 937840: walid is four times as old as sami, five years ago,walid was 7 times old as sami. how old is walid snd how old is sami ?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
walid is four times as old as sami, five years ago,walid was 7 times old as sami. how old is walid snd how old is sami ?
Equations:
w = 4s
w-5 = 7(s-5)
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Substitute for "w" and solve for "s"::
4s-5 = 7s-35
3s = 30
s = 10 (sami's age now)
w = 4s = 40 (walid's age now)
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Cheers,
Stan H.
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