Question 669389
let joe be double my age after x days

after x days 
joes' age = (20089+x)

My age = (5886+x)

(20089+x) = 2(5886+x)

920089=11772+2x

920089-11772=2x
8317 =2x
x=8317/2
x=4158.5

After 4185 days Joe will be double my age.