john is 4 years older than david and joe is 2 years younger than david . if the sum of their ages is 41. how old will john be in 8 years time?

Answer 1

David: X years old.
John: x+4 years old.
Joe: x-2 years old.

x + x+4 + x-2 = 41. Solve for x and add 8 years to John's age.