If we know that the WHOLE angle added is 105 and only part is 75 you need to subtract the whole angle and subtract from part of the whole angle.
105-75=30. You get 30 And that’s you answer!
Picture to help with your understanding.
Pat borrowed $2000 to help pay college expenses. The interest rate was 5% annually, and she will repay the loan in 4 years. How
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