SOLUTION: Two angles are supplementary angles. The measure of the larger angle is 15 degrees more than 3 times the measure of the smaller angle. Find the ones digit of the smaller angle.

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Question 342926: Two angles are supplementary angles. The measure of the larger angle is 15 degrees more than 3 times the measure of the smaller angle. Find the ones digit of the smaller angle.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
A%2BS=180
A=3S%2B18
Substitute,
%283S%2B15%29%2BS=180
4S%2B15=180
4S=165
highlight%28S=165%2F4%29degrees
Then,
A=3%28165%2F4%29%2B15
A=495%2F4%2B60%2F4
highlight%28A=555%2F4%29degrees