Step-by-step explanation:
Equation of straight line is given by y = mx + c
Slope of line , m = -1/5
y- intercept, c = 5
Substituting
[tex]y=mx+c\\\\y=\frac{-1}{5}x+5\\\\y=\frac{-x+25}{5}\\\\5y=-x+25\\\\x+5y-25=0[/tex]
x + 5 y - 25 = 0
Option C is the correct answer.