Plz Help I do not understand this

Cain is about to start a new job and his opponent employer has offered him two different options to get paid. Option A gives Cain $20 to start plus an additional $10 an hour option b gives Kane $40 to start plus an additional $5 an hour. Define your variables then create a system of equations.

Define Variables:
x =______
y =______
Equations
Option A: ______
Option B: ______