Answer:
65
Step-by-step explanation:
40 + 75 = 115
180 - 115 = 65
x=65
Explaination
x+75+40=180
or,x+ 115=180
or, x=180-115
or x= 65
B
I'm pretty sure it's C/80.
Have a beautiful dayyy!
8/10
id hope your have a great day
