Question 271982
Let the age of Bob = x
Then the age of Jim = 4x
Also, In six years Jim  will be six more than twice Bob's age.
4x+6 = 2(x+6)+6
4x+6=2x+12+6
4x-2x=12
2x=12
x=6
So, the age of Bob = 6
 the age of Jim = 4x = 24