SOLUTION: a's age is 4 times as b. five years ago her father was 9 times as old as she was . what are their present ages?
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Question 1037641: a's age is 4 times as b. five years ago her father was 9 times as old as she was . what are their present ages?
Found 3 solutions by stanbon, Vixiachase, ikleyn:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
a's age is 4 times as b. five years ago her father was 9 times as old as she was . what are their present ages?
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Equations:
a = 4b
So, a must be the father.
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a-5 = 9(b-5)
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Substitute for "a" and solve for "b"::
4b-5 = 9b - 45
5b = 40
b = 8 yrs
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a = 4b = 32 yrs
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Cheers,
Stan H.
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Answer by Vixiachase(22) (Show Source): You can put this solution on YOUR website!
Answer by ikleyn(52788) (Show Source): You can put this solution on YOUR website!
.
In my view/opinion, the condition as it is written, doesn't make sense.
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