Answer:
C.
Step-by-step explanation:
Recall that the sum of the (3) interior angles of a triangle <em>must</em> equate to 180.
In other words:

Where x is our unknown angle. So, we need to solve for x.
On the left, add 55 and 20:

Subtract 75 from both sides. The left side cancels:

Therefore, the third angle is 105 degrees.
Our answer is C.
Answer
12.5 percent was bad, 87.5 were good
Step-by-step explanation:
set up this percentage solver
then cross multiply

divide by eight
12.5 were bad
so 87.5 were good