I need help with this question. please show your work.

I need help with this question. please show your work.Can you tell me the value of IT, VA and VB

with the potentiometer set at 0%, 50% and 100%? ATTACHMENT PREVIEW Download attachment1 0 0 %0 %R3 15 KR3 21 1 0R3 31 0 0 0R3 41 . 2 KR3 51 . 2 K2 . 4 VAB

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