Question

Help me please , and thank you .

Answer 1

Remark

There is a 4 year difference between Sal and Carrie. Carrie is the older. She is going to occupy 1 side of the equation. The other side is Sal and the 4 years.

Let Sal = S

Let Carrie = C

Carrie = Sal + 4

Equation

C = S + 4