SOLUTION: In triangle ABC, the size of angle B is 4 times the size of angle A, and the size of angle C is 13 degrees less than 5 times the size of angle A. Find the size of the angles

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Question 1195960: In triangle ABC, the size of angle B is 4 times the size of angle A, and the size of angle C is 13 degrees less than 5 times the size of angle A. Find the size of the angles
Answer by Alan3354(69443) About Me  (Show Source):
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In triangle ABC, the size of angle B is 4 times the size of angle A, and the size of angle C is 13 degrees less than 5 times the size of angle A. Find the size of the angles
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B = 4A
C = 5A - 13
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A + B + C = 180
A + 4A + 5A - 13 = 180
etc