SOLUTION: The complement of an angle is 40% its supplement. What is the measure of the angle?

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Question 750296: The complement of an angle is 40% its supplement. What is the measure of the angle?
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
Our working equation is
(x-90)=2/5(x-180) (why?)
so x=30


:)