Raymond B. answered 03/02/21
Tutor
5
(2)
Math, microeconomics or criminal justice
J=2E
J-2 = 4+E
2E-2 = 4+E
E =6 years old for Erin now
Joe is 12 now, twice Erin's 6
2 years ago Joe was 10 which is 4 + 6