SOLUTION: Four years ago jane was twice the age of james. In four years from now james will be 3/4 the age of jane. How old is jane now?
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Question 433478: Four years ago jane was twice the age of james. In four years from now james will be 3/4 the age of jane. How old is jane now?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = Jane's age now
Let = Jame's age now
given:
(1)
(2)
-------------------------
(1)
(1)
-----------------
(2)
(2)
(2)
------------------
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
and
(1)
(1)
(1)
12 is Jane's age now
8 is Jame's age now
check answer
(1)
(1)
(1)
OK
(2)
(2)
(2)
(2)
OK
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