Question 1012500: Chris is 6 yrs older than kathy. In 2 yrs Chris will be twice s old as kathy. Find their ages in 5 yrs from now. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Chris is 6 yrs older than kathy. In 2 yrs Chris will be twice s old as kathy. Find their ages in 5 yrs from now.
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Equation:
c = k + 6
c+2 = 2(k+2)
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Substitute for "c" and solve for "k"::
k+6 + 2 = 2k + 4
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k = 4 (kathy's age now)
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c = k+6 = 4+6 = 10 yrs (Chris's age now)
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Cheers,
Stan H.
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