Answer:
Jaime is 12 years old
Step-by-step explanation:
Lets use J for Jaime and A for Amy
J=A+5 since Jaime is 5 years older than Amy
J+A=19 because their age sum is 19
We can then make that A=19-J
Plug in that to our first equation
J=19-J+5
J=24-J
2J=24
J=12
Jaime is 12
Hope this helps
