SOLUTION: The measure of two supplementary angles are in a ratio of 3:2. What is the measure of the largest angle? Please I need help. May you help me?

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Question 905248: The measure of two supplementary angles are in a ratio of 3:2. What is the measure of the largest angle? Please I need help. May you help me?
Answer by Math_Boss(45) About Me  (Show Source):
You can put this solution on YOUR website!
x%2By=180 (x and y are supplementary angles)
3:2 means y=1.5x
Substitute y=1.5x
x%2B1.5x=180
2.5x=180
x=72
y=1.5%2A72
y=108
Ans:108
Check:108%2F72=3%2F2