Question 360618
Let me be three times grandson's age after x years
my age now = 48, grandson's age now =2
(48+x) / (2+x) = 3
48+x =3(2+x)
48+x=6+3x
48-6=3x-x
42=2x
x= 21  -------- 21 years later
My age = 48+21= 69
grandson's  age = 2+21= 23
...
69=23*3
...
m.ananth@hotmail.ca