Question 773183
let the second angle be x

first angle will be 4x

Third angle = 2x+5

The sum of angles of a triangle = 180 deg

x+4x+2x+5=180

7x+5=180
7x=180-5
7x=175
/7
x=25

second angle = 25 deg
first angle=4x=4*25=100 deg
Third angle = 2x+5=2*25+5=55 deg