
8 out of 300 were defective.
80 pairs were defective
Answer:
Step-by-step explanation:
step 1
Find the circumference of the circle
The circumference is equal to

we have

substitute


step 2
Find the approximate length of arc s
we know that
The circumference of the circle subtends a central angle of 360 degrees
so
using proportion
Find out the length of arc for a central angle of 330 degrees

----> exact value
assume

----> approximate value
To solve this, subtract 8.75 from 110, then divide by 9. The answer is 11.25 each pizza. :)
Answer:
Step-by-step explanation: