Respuesta :

Answer:

Jac is 6

Step-by-step explanation:

Jill=  J

Jac = 3J

Jon 3(3J)  = 9J

Jon is 16 yaers older than Jill

9J - J = 16.

8J = 16

J = 2       (Jill is 2)

Jack : 3x2 = 6    Jack is 6

Jon :3X6 = 18   Jon is 18  (16 years older than Jill)