SOLUTION: I need to find out how old someone will be when they are 3 times older than someone else for example my mom who is 70 and my niece who is 10 , when will mom be 3 times older than

Question 921595: I need to find out how old someone will be when they are 3 times older than someone else for example my mom who is 70 and my niece who is 10 , when will mom be 3 times older than my niece.?
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
You need a variable that will be a measure of the time when your mother will be 3 times older than your niece.
If years from now your mom is 3 times your niece's age, at that time
your mom will be years old;
your niece will be years old,
and their ages will be related by
.
That is your equation.

--->--->--->--->--->--->--->
Your mother will be 3 times older than your niece 20 years from now.
At that point, your mother will be ,
and your niece will be .
RELATED QUESTIONS
I just need to know what mathematical equation to use to find out how old I will be when... (answered by sudhanshu_kmr)

I am 23 years older than my son Arnez Jr who is 15. How old will I be when I am 3 times... (answered by Alan3354)

Hello, My Name is Donna and I must say, I am so pleased you have the ratings in the... (answered by dragonwalker)

Meenakshi: �How old are you ,Mom� Mom: �Let me think, Meenakshi, well our three ages add (answered by josmiceli)

How old will I be (40 now) when I am three times as old as someone who is 32? (answered by Alan3354)

I am trying to figure out how old my great grandma,my grandma,and my mom are.mom gave me... (answered by mananth,josgarithmetic,ikleyn)

I need help with story problems. Please Help! There suppose to be easy, but I don't see... (answered by longjonsilver)

Refer back to Week One Discussion and use the names and ages of yourself and the other... (answered by richwmiller)

I am 30 years old and my sister is 10. I need an equation to figure out how old my sister (answered by stanbon)