Question 697611: Author is 10 years older than Carol. 9 years ago his age was 3 times her age. How old will they each be in 4 years? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = Arthur's age now
Let = Carol's age now
given:
(1)
(2)
-----------------------
(2)
(2)
and
(1)
------------------
Subtract (2) from (1)
(1)
(2)
and
(1)
(1)
(1)
--------------
In 4 years Arthur will be 24
In 4 years Carol will be 18
----------------------
check:
(2)
(2)
(2)
(2)
OK