First thing to remember is that they were currently in week 0, when they began saving:The equation for Alex would look like: y=20x + 125 See that we are on week 0, and x is our weeks, and the equation would look like: y=20(0) + 125 Simplifying the equation, it will give us which it is y = 125That means that the first one is E. 125For the second, it shows our week 0, which is at 100.That means that the second one is I. 100