SOLUTION: I was 36 when Casie was born. I am 48 she is 12. Question: Write an equation which models how old in years, you will be when you are 3 times as old as Casie. I know the answer but

Algebra ->  Average -> SOLUTION: I was 36 when Casie was born. I am 48 she is 12. Question: Write an equation which models how old in years, you will be when you are 3 times as old as Casie. I know the answer but      Log On


   

Question 307606: I was 36 when Casie was born. I am 48 she is 12.
Question: Write an equation which models how old in years, you will be when you are 3 times as old as Casie. I know the answer but not an equation. I do not know algebra.
Thanks Kathy
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
"I was 36 when Casie was born" ___ K = C + 36 ___ K - 36 = C

"3 times as old as Casie" ___ K = 3C

substituting ___ K = 3(K - 36) ___ K = 3K - 108 ___ 54 = K