SOLUTION: A woman is three times as old as her daughter. In four years time she will be two and a half times as old as her daughter. What is the woman's present age?
m=3X d=x
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Question 845920: A woman is three times as old as her daughter. In four years time she will be two and a half times as old as her daughter. What is the woman's present age?
m=3X d=x
+4 yrs
m=3x+4*2.5 d=x+4
as far as I got with my daughter's maths question?? any ideas
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = mom's age now
Let = Daughter's age now
= mom's age in 4 years
= daughter's age in 4 years
---------------------------------------------
(1)
(2)
Substitute (1) into (2)
(2)
(2)
(2)
(2)
and
(1)
(1)
Mom is 36
Daughter is 12
check:
(2)
(2)
(2)
(2)
OK
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