Grandpa's age

[powergirl]

Grandpa:

"My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 100 years. Can you tell me my age in years?":uhh:

[dontdisturbmycircles]

7g=2

12g=G
g+s+G=100
g=5
s=35
G=60

The grandpa is 60... lol

[powergirl]

Yes U R correct.........:)