Question 756688: the average age of women and her daughter is 21years.the ratio of their ages 5:1.what will be the ratio ofs their ages after 5 year Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! the average age of women and her daughter is 21years.the ratio of their ages 5:1.what will be the ratio of their ages after 5 year
-----
Equations:
(w + d)/2 = 21 yrs
----
w = 5*d
===================
Substitute and solve for "d":
(5d+d)/2 = 21
6d = 42
daughter's age = 7 yrs
-------------------------
Mother's age is 5*d = 35 yrs
-----
Ratio in 5 years = ?
daughter will be 12
Mother will be 41
=========================
Cheers,
Stan H.
=========================
(