SOLUTION: Two angles are supplements if their sum is 180 degrees. The measure of one angle is seven-fifths the measure of its supplement. What is the measure of the smaller angle?

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Question 1019349: Two angles are supplements if their sum is 180 degrees. The measure of one angle is seven-fifths the measure of its supplement. What is the measure of the smaller angle?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A%2BB=180
A=%287%2F5%29B
Substituting,
%287%2F5%29B%2BB=180
%287%2F5%29B%2B%285%2F5%29B=180
%2812%2F5%29B=180
B=180%285%2F12%29
B=75
Then,
A=%287%2F5%2975
A=105