The plan A is a base pay of 300 + 10% (0.1) of his sales (which we would call x).
Plan A = 300 + 0.1x
The plan B is a total pay of 1200 (it does not matter how much he sold).
The question is, what amount of sales (the value of x) that would make plan A to be greater than plan B?
The solution is shown below;
The results of the calculation shows that the sales representative must