Answer:
Explanation:
Noah answered 16 questions and is informed that he's completed 80% of the survey.
To find t, you are given 16/t = 80% or 16/t = 0.8.
Switch t and 0.8 to get 16/0.8 or 16/80% to find t.
t = 20 questions.
8.7m questions
11.4m answers