algebra 1
posted by esther on .
In a triangle ABC,angle b is 4 times angle "A" and angle "C" IS 17 less than 5 times angle "A". Find the size of the angles.

B = 4A
C = 5A 17
A + B + C = 180 = 10 A 17
A = 19.7
B = 78.8
C = 81.5
(all numbers are degrees)