Answer: In an hour, she will run 6 miles.
Step-by-step explanation:
Emma's rate 2 miles per every 1/3 hour (20 minutes)
Since 20 minutes goes into 60 minutes three times, multiply 2 by 3 to get the number of miles she runs in an hour.
2x3=6
Emma runs 6 miles in an hour- 6/1