What is the answer to this i need to know asap

Keri and Kaley will have the same amount of money by week 5.

Step-by-step explanation:

First I made a table and on one side I started with Keri's amount which was 600 dollars. On the other side was Kaley's where she started with 200 dollars. Equally, on Keri's side i subtracted 30 per week and on Kaley's side I added 50 per week. If you add and subtract correctly, by week 5 they'll both have the same amount.

my work:

answer:

c) the x-coordinate of the center of the circle increases by 3