SOLUTION: if A was foue times as old as B 8 years ago, and if A will be twice as old as B 8 years hence how old is B now?

Question 1038781: if A was foue times as old as B 8 years ago, and if A will be twice as old as B 8 years hence how old is B now?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = A's age now
Let = B's age now
-------------------------
(1)
(2)
-----------------------
(1)
(1)
and
(2)
(2)
-----------------------
Add the equations
(1)
(2)
--------------------

and
(2)
(2)
(2)
(2)
-------------------
A is 40 now
B is 16 now
-------------
check:
8 yrs ago, A was 32
8 yrs ago, B was 8
A was 4 times B
OK
-------------------
In 8 yrs, A is 48
In 8 yrs, B is 24
A will be twice B
OK
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