How do I solve this problem? I know the answer is 5/3 but I have no idea how I may have gotten it. Please explain step by step in a way that a 7th grader would understand. Thanks. It's only problem 3 with the batteries btw.

Apolygon is shown on the graph: a polygon is shown on the coordinate plane. vertices are located at 3 comma 5, 1 comma 3, 1 comma 1, 2 comma 0, 4 comma 0, 5 comma 1, and 5 comma 3. what effect will a translation 3 units down and 2 units left have on the polygon? be sure to address how it could impact the angles, side lengths, and congruency between the original pre-image and the image. xd i need