Finding tension in a pulley system with two masses

[Gbarretto23]

Homework Statement

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hey guys,
I managed to take a picture of the problem. I am in gr 12 physics. I did not get question A so if you could help, I would be very grateful. I am stumped on A.
Thanks,
Gary

Homework Equations

The Attempt at a Solution

 

[Gbarretto23]

Oh and btw the whole question is A