6th grade Math problem

Question

Queisha spent 1/3 hour answering 9 homework question for her history class. she spent the same amount of time on each question. what fraction of an hour did it take quesiha to answer each question

Answer 1

9 questions for 20 minutes 1/3 hour = 20 minutes

1 question for 20/9 minutes = 2 2/9 minutes = 2 minutes and 13 1/3 seconds for each question

9 x 2 2/9 = 9 x20/9 = 20 minutes

fraction of an hour on each question is 1/3 x 1/9 = 1/27 of an hour

1/27 of an hour = 1/27 x 60 = 60/27 minutes = 2.222... minutes