Answer:
60%
Explanation:
Step one
Given data
A survey had 70 questions in total
Kellie answer 42 questions of the survey
The Percent of the question did Kellie answer is gotten by
Percent= Answered question/total question*100
Percent = 42/70*100
Percent= 0.6*100
Percent= 60%
Kelle answered 60% of the survey