SOLUTION: Can you please help solve this problem: Julia is 20 years younger than allison. In two years Allison will be twice as old as Julia. How old are they now?

Question 1006744: Can you please help solve this problem:
Julia is 20 years younger than allison. In two years Allison will be twice as old as Julia. How old are they now?
Found 3 solutions by Alan3354, josgarithmetic, josmiceli:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
The difference will always be 20 years.
2x --> 20 & 40
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
y for Julia and x for Allison. From that just transcribe what is written for the description and solve system of equations.

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Let = Julia's age now
Let = Allison's age now
= Julia's age in 2 years
= Allison's age in 2 years
------------------------------
(1)
(2)
-----------------------
(1)
and
(2)
(2)
--------------------
Subtract (2) from (1)
(1)
(2)
--------------------

and
(1)
(1)
(1)
---------------
Allison is 38
Julia is 18
--------------
check:
(2)
(2)
(2)
(2)
OK
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