Question 705607: Federique is two years older than her brother. Twelve years ago, she was twice as old as he was. HOw old are they now? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Federique is two years older than her brother. Twelve years ago, she was twice as old as he was. HOw old are they now?
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Equations:
F = B + 2
F-12 = 2(B-12)
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Substitute for "F" and solve for "B":
B+2-12 = 2B-24
B = 14 yrs (Brother's age now)
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Solve for F:
F = B + 2
F = 16 yrs (Federique"s age now)
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Cheers,
Stan H.
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