SOLUTION: find two supplementary angles such that the first angle is 9 times the second.

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Question 272109:
find two supplementary angles such that the first angle is 9 times the second.
Answer by oberobic(2304) About Me  (Show Source):
You can put this solution on YOUR website!
x = 1st angle
y = 2nd angle
x = 9y :: given
x + y = 180 :: given
.
substituting for x = 9y
9y + y = 180
10y = 180
y = 18
x = 9y = 9(18) = 162
.
checking...
x + y = 162 + 18 = 180
.
Answer:
x = 162
y = 18
.