ill give brainliest to whoever helps

Answer:
25
Step-by-step explanation:
I think it’s 25 cause I did
[tex]x+30+x+40+2x+10=180[/tex]
[tex]4x+80=180[/tex]
[tex]4x=180-80[/tex]
[tex]\frac{4x}{4} =\frac{100}{4}[/tex]
[tex]x=25[/tex]
(b)
[tex]2(25)+10[/tex]
[tex]=50+10[/tex]
[tex]=60[/tex]