Question 711959: Ninja is 7 years older than is cousin. 2 years ago is was 3 yrs less than twice his age. how old was his cousin then Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Ninja is 7 years older than is cousin. 2 years ago is was 3 yrs less than twice his age. how old was his cousin then
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Equation:
n = c + 7
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n-2 = 2c-3
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Substitute for "n" and solve for "c":
c+7-2 = 2c-3
c+5 = 2c-3
c = 8 yrs (cousin's age now)
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Solve for "n":
n = c+7
n = 15 yrs (Ninja's age now)
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Cheers,
Stan H.
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