SOLUTION: Two supplementary angles are in ratio 5:13.What is the bigger angle?

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Question 947644: Two supplementary angles are in ratio 5:13.What is the bigger angle?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
5x%2B13x=180
18x=180
x=10
The bigger angle is 13%2810%29=130.