SOLUTION: Jane is two times as old a jim. Jim is n years old now. How old will Jane be in three years? There is no numerical answer. I need an expression to show how to solve it.

Question 642579: Jane is two times as old a jim.
Jim is n years old now.
How old will Jane be in three years?
There is no numerical answer.
I need an expression to show how to solve it.

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Jane is two times as old a jim.
Jim is n years old now.
How old will Jane be in three years?
-----
Now Equations:
a = 2j
j = n yrs old
-------
In 3 years Equation:
(a+3) = 2(j+3)
a + 3 = 2j + 6
a + 3 = 2n + 6
-------
a = 2n+3 (Jane's age NOW)
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Cheers,
Stan H.
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