SOLUTION: Michelle, at present, is 3 times as old as her daughter. In 10 years' time she will be twice her daughter's age. How old is she now?

Question 985316: Michelle, at present, is 3 times as old as her daughter. In 10 years' time she
will be twice her daughter's age. How old is she now?
Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!

Michelle, at present, is 3 times as old as her daughter. 

M = 3D

In 10 years' time she [Michelle] wil be twice her daughter's age. 

In 10 years' time she [Michelle] will be M+10
In 10 years' time the daughter will be D+10

So

M+10 = 2(D+10)

To get the answer, solve this system of equations by substitution:



Edwin

RELATED QUESTIONS
Ann is 3 times as old as her daughter. In 3 years time, she will be twice the age of the... (answered by Lola77479)

A mother is 25 years older than her daughter. In 10 years, she will be twice as old as... (answered by Cromlix,Alan3354)

A mother is twice as old as her daughter now, but 10 years ago, she was 3 times as old... (answered by mananth)

A woman is three times as old as her daughter. In eleven years she will be twice as old... (answered by josgarithmetic)

A mother is three times as old as her daughter, in twelve years time she will be twice as (answered by josmiceli)

A woman is four times as old as her daughter, in five years time the square of her age... (answered by josgarithmetic,ikleyn)

A mother is twice as old as her daughter now, but ten years ago, she was 3 times as old (answered by Theo)

Sonal's mother is thrice as old as Sonal.After 10 years,She will be just twice as old as... (answered by ReadingBoosters)

Michelle is three times as old as her daughter Precious. Michelle’s present age is two (answered by josgarithmetic,ikleyn)