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.

algebra 1 
Reiny,
let angle A = x
then angle B = 4x
and angle C = 5x17
solve:
x + 4x + 5x  17 = 180