SOLUTION: ten years from now john will be twice as old as kevin. five years ago, john was three times as old as kevin. how old are john and kevin currently?
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Question 1057307: ten years from now john will be twice as old as kevin. five years ago, john was three times as old as kevin. how old are john and kevin currently? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Ten years from now john will be twice as old as kevin. five years ago, john was three times as old as kevin. how old are john and kevin currently?
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Equations::
j+10 = 2(k+10)
j-5 = 3(k-5)
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Rearrange::
j = 2k +10
J = 3k -10
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2k+10 = 3k-10
k = 20 (kevin's age now)
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Solve for "j"::
j = 2k+10 = 50 (john's age now)
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Cheers,
Stan H.
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