SOLUTION: I am currently 60 years old. My grand daughter is 12. At some time I will be three times her age. Write an equation which models how old each of us will be.

Algebra.Com
Question 485425: I am currently 60 years old. My grand daughter is 12. At some time I will be three times her age. Write an equation which models how old each of us will be.
Found 2 solutions by jorel1380, solver91311:
Answer by jorel1380(3719)   (Show Source): You can put this solution on YOUR website!
60+n=3(12+n)
60+n=36+3n
2n=24
n=12
In 12 years you will be 3 times your granddaughter's age (72 and 24)..
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


Let represent the number of years between now and the time the grandfather is three times as old as the granddaughter.

Then



In plain English: Three times the age the grandaughter will be years from now is the same as the age the grandfather will be years from now.

John

My calculator said it, I believe it, that settles it
The Out Campaign: Scarlet Letter of Atheism
RELATED QUESTIONS

my grand daughter is 3 I am 48. I was 45 when she was born. the question is: At some... (answered by edjones)
At some point during the lives of you and a person younger than you, your age will be (OR (answered by Edwin McCravy)
I am 52,my granddaughter is 14. I was 38 when she was born (52-14=38). At some point I... (answered by mananth,DrBeeee,MathTherapy)
I was 17 when my little nephew was born. At some point my age will be three times his... (answered by josmiceli)
A woman is 36 and her daughter is 16. At some point during the lives of the two, the... (answered by stanbon)
Sarah is currently four times as old as her daughter Linda. in 6 years Sarah will be... (answered by Theo,ikleyn,Alan3354)
if my mother is currently three times my age and in 15 years she will be twice my age how (answered by stanbon)
Hello, My Name is Donna and I must say, I am so pleased you have the ratings in the... (answered by dragonwalker)
i am 3 times as old as my daughter. in 12 years time i will only be twice as old as my... (answered by CubeyThePenguin)