Answer:
answer in in the photo with a explanation
Answer:
The survey results will be inaccurate since the entire sample of the population was eating at the same restaurant.
Step-by-step explanation:
When doing a survey you must make sure it is unbiased by asking a variety of people for example if you are wondering what is the favorite class at school you have to ask a certain amount of people from each class because if you ask only people from P.E the answer more than likely will be P.E or if u ask 3 people from Art and 17 from P.E your answer will properly be P.E. Make sense?
50 + 3x = 7x + 12
This is because of the exterior angle theorem.
Set this up as a proportion.
400/15 = x/6
Solve for x.
I just hope to help! :)
