Question 643220: My daughter is twice is old as my son and 1/2 as old as I am. In 22 years my son will be half my age. how old is my daughter? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = my age
Let = my Daughter's age
Let = my Son's age
given:
(1)
(2)
(3)
--------------------------
(1)
(2)
Substitute (1) and (2) into (3)
(3)
multiply both sides by
(3)
(3)
(3)
My daughter is 22
check:
(1)
(1)
and
(2)
(2)
------------
(3)
(3)
(3)
