Question 116917: one-half of pias age two years from now plus one-third of her age three years ago is 20 yrs. How old is she now? Found 2 solutions by stanbon, MathLover1:Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! one-half of pias age two years from now plus one-third of her age three years ago is 20 yrs. How old is she now?
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Let her age now be "x"
EQUATION:
(1/2)(x+2) + (1/3)(x-3) = 20
(1/2)x+1 + (1/3)x - 1 = 20
(5/6)x = 20
(1/6)x = 4
x = 24 yrs old
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Cheers,
Stan H.
one-third of her age three years ago:
one-half of Pias age two years from now plus one-third of her age three years ago is 20 yrs:
..solve for first multiply both sides by ..
..
..
..
..
..she is now years old
check
if Pia is years old, one-half of Pias age two years from now will be
one-third of her age three years ago
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