Question

you move right 3 units and down 3 units. you end at (4, 0). where did you start?

Explanation:

Step1: Reverse right - move

Subtract 3 from x - coordinate. $4 - 3=1$.

Step2: Reverse down - move

Add 3 to y - coordinate. $0 + 3=3$.

Answer:

(1, 3)