20 pts for all 3 of these. 1. Jada's neighbor said "My age is the difference between twice my age in 4 years and twice my age 4 years ago , how old is Jadas neighbor. 2.someone else said my age is the difference between twice my age in 5 years and twice my age 5 years ago. how old is the neighbor. 3. someone else had the same claim for 17 years from now and 17 years ago and a fourth for 21 years determine the neighbors ages.