SOLUTION: My grandson is as many days old as my son is in weeks. My grandson is as many months old as I am in years. My grandson, me, and my son all equal 120 years. How old am I?

Algebra ->  Human-and-algebraic-language -> SOLUTION: My grandson is as many days old as my son is in weeks. My grandson is as many months old as I am in years. My grandson, me, and my son all equal 120 years. How old am I?      Log On


   

Question 96645: My grandson is as many days old as my son is in weeks. My grandson is as many months old as I am in years. My grandson, me, and my son all equal 120 years. How old am I?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
g=grandson's age 7g=son's age 12g=grand parent's age
g+7g+12g=120
20g=120
g=6
7g=72 years old (grand parent's age)
Ed