The early withdrawal fee on this account
250×0.03×(1÷4)=1.875
The relation is shown in b.
The sum of the angles should be 180, so x+ (x+10) + (x+5) = 180. This simplifies to 3x + 15 = 180, so 3x = 165, so x=55.
I don’t see the image can you please add one to the comments so I can answer it. Thanks